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Fencer Vulns
low 3.7

CVE-2020-2755 json

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Scripting).

published 2020-04-15 6 y ago modified 2026-09-08 2 mo ago also BIT-java-2020-2755 , BIT-java-min-2020-2755 , BIT-jre-2020-2755 , EUVD-2020-22548

cvss
3.7
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.9%
EPSS 3.9% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Scripting). Supported versions that are affected are Java SE: 8u241, 11.0.6 and 14; Java SE Embedded: 8u241. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Java SE Embedded. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.0 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).

Patch / fix

  • bitnami java 1.8.0, 8.0.251, 11.0.7, 14.0.1
  • bitnami java-min 1.8.0, 8.0.251, 11.0.7, 14.0.1
  • bitnami jre 1.8.0, 8.0.251, 11.0.7, 14.0.1
  • oracle java_se 1.8.0_251, 8.0.251, 11.0.7, 14.0.1
  • oracle jdk 1.8.0_251, 8.0.251, 11.0.7, 14.0.1
  • oracle jre 1.8.0_251, 8.0.251, 11.0.7, 14.0.1
  • sun java 1.8.0_251, 8.0.251, 11.0.7, 14.0.1
  • sun java_se 1.8.0_251, 8.0.251, 11.0.7, 14.0.1
  • sun jdk 1.8.0_251, 8.0.251, 11.0.7, 14.0.1
  • sun jre 1.8.0_251, 8.0.251, 11.0.7, 14.0.1
  • oracle openjdk 1.8.0_251, 8.0.251, 11.0.7, 14.0.1
  • sun openjdk 1.8.0_251, 8.0.251, 11.0.7, 14.0.1
  • openjdk-11 Debian 11 11.0.7+10-1

debian advisories DEBIAN-CVE-2020-2755

  • openjdk-8 Ubuntu 16.04 LTS 8u252-b09-1~16.04
  • openjdk-8 Ubuntu 18.04 LTS 8u252-b09-1~18.04
  • openjdk-lts Ubuntu 18.04 LTS 11.0.7+10-2ubuntu2~18.04
  • openjdk-lts Ubuntu 20.04 LTS 11.0.7+10-2ubuntu1

ubuntu advisories UBUNTU-CVE-2020-2755

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • java-11-openjdk RHEL 8 1:11.0.7.10-1.el8_1
  • java-11-openjdk-src RHEL 8 1:11.0.7.10-1.el8_1
  • java-11-openjdk-demo RHEL 8 1:11.0.7.10-1.el8_1
  • java-11-openjdk-jmods RHEL 8 1:11.0.7.10-1.el8_1
  • java-11-openjdk-javadoc RHEL 8 1:11.0.7.10-1.el8_1
  • java-11-openjdk-headless RHEL 8 1:11.0.7.10-1.el8_1
  • java-11-openjdk-javadoc-zip RHEL 8 1:11.0.7.10-1.el8_1
  • java-11-openjdk RHEL 7 1:11.0.7.10-4.el7_8

red hat advisories RHSA-2020:1517RHSA-2020:1514RHSA-2020:1509RHSA-2020:1515RHSA-2020:1512RHSA-2020:2241

  • java-1_8_0-openjdk SLE Module for Legacy 15 SP2, SLE Module for Legacy 15 SP1, SLES for SAP 15 +1 more 1.8.0.252-3.35.3
  • java-11-openjdk SLE Module for Package Hub 15 SP1, SLE Module for Basesystem 15 SP1, SLE High Performance Computing 15-ESPOS +3 more 11.0.7.0-3.42.4
  • java-1_8_0-openjdk SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +12 more 1.8.0.252-27.45.6
  • java-1_8_0-ibm SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +14 more 1.8.0_sr6.10-30.69.1
  • java-1_8_0-ibm SLES for SAP 15, SLES 15-LTSS, SLE Module for Legacy 15 SP2 +1 more 1.8.0_sr6.10-3.38.1
  • java-11-openjdk SLES for SAP 12 SP5, SLES 12 SP5 11.0.7.0-3.9.2

suse advisories SUSE-SU-2020:1569-2SUSE-SU-2020:1511-2SUSE-SU-2020:1686-1SUSE-SU-2020:1685-1SUSE-SU-2020:1684-1SUSE-SU-2020:1572-1

  • java-11-openjdk openSUSE Tumbleweed 11.0.12.0-3.1
  • java-13-openjdk openSUSE Tumbleweed 13.0.8.0-3.1
  • java-1_8_0-openjdk openSUSE Tumbleweed 1.8.0.302-2.2
  • java-1_8_0-openjdk openSUSE Leap 15.1 1.8.0.252-lp151.2.12.1
  • java-11-openjdk openSUSE Leap 15.1 11.0.7.0-lp151.3.16.1

opensuse advisories openSUSE-SU-2024:10871-1openSUSE-SU-2024:10872-1openSUSE-SU-2024:10876-1openSUSE-SU-2020:0800-1openSUSE-SU-2020:0757-1

  • openjdk8 Alpine 3.24, Alpine 3.23, Alpine 3.22 +15 more 8.252.09-r0
  • openjdk11 Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 11.0.7_p10-r0

alpine advisories ALPINE-CVE-2020-2755

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-2755 updated cvss 3.7

OpenJDK: Incorrect handling of empty string nodes in regular expression Parser (Scripting, 8223904)

  • Red Hat Satellite 5 java-1.8.0-ibm
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 Supplementary java-1.8.0-ibm 1.8.0.6.10-1.el8_2, java-1.8.0-ibm-src 1.8.0.6.10-1.el8_2, java-1.8.0-ibm-demo 1.8.0.6.10-1.el8_2, java-1.8.0-ibm-jdbc 1.8.0.6.10-1.el8_2, java-1.8.0-ibm-plugin 1.8.0.6.10-1.el8_2, java-1.8.0-ibm-headless 1.8.0.6.10-1.el8_2, +1 more
    fixed: vendor fix RHSA-2020:2241
  • Red Hat Enterprise Linux AppStream (v. 8) java-11-openjdk 11.0.7.10-1.el8_1, java-11-openjdk-src 11.0.7.10-1.el8_1, java-11-openjdk-demo 11.0.7.10-1.el8_1, java-11-openjdk-jmods 11.0.7.10-1.el8_1, java-1.8.0-openjdk 1.8.0.252.b09-2.el8_1, java-11-openjdk-javadoc 11.0.7.10-1.el8_1, +8 more
    fixed: vendor fix RHSA-2020:1515
  • Red Hat Enterprise Linux AppStream E4S (v. 8.0) java-11-openjdk 11.0.7.10-1.el8_0, java-11-openjdk-src 11.0.7.10-1.el8_0, java-11-openjdk-demo 11.0.7.10-1.el8_0, java-11-openjdk-jmods 11.0.7.10-1.el8_0, java-1.8.0-openjdk 1.8.0.252.b09-2.el8_0, java-11-openjdk-javadoc 11.0.7.10-1.el8_0, +8 more
    fixed: vendor fix RHSA-2020:1516
  • Red Hat Enterprise Linux Client (v. 7) java-11-openjdk 11.0.7.10-4.el7_8, java-1.8.0-openjdk 1.8.0.252.b09-2.el7_8, java-11-openjdk-headless 11.0.7.10-4.el7_8, java-1.8.0-openjdk-headless 1.8.0.252.b09-2.el7_8 Red Hat Enterprise Linux Client Optional (v. 7) java-11-openjdk-src 11.0.7.10-4.el7_8, java-11-openjdk-demo 11.0.7.10-4.el7_8, java-11-openjdk-jmods 11.0.7.10-4.el7_8, java-11-openjdk-javadoc 11.0.7.10-4.el7_8, java-1.8.0-openjdk-src 1.8.0.252.b09-2.el7_8, java-1.8.0-openjdk-demo 1.8.0.252.b09-2.el7_8, +4 more
    fixed: vendor fix RHSA-2020:1512
  • Red Hat Enterprise Linux Client Supplementary (v. 7) java-1.8.0-ibm 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-src 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-demo 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-jdbc 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-plugin 1.8.0.6.10-1jpp.1.el7
    fixed: vendor fix RHSA-2020:2237
  • Red Hat Enterprise Linux ComputeNode (v. 7) java-11-openjdk 11.0.7.10-4.el7_8, java-1.8.0-openjdk 1.8.0.252.b09-2.el7_8, java-11-openjdk-headless 11.0.7.10-4.el7_8, java-1.8.0-openjdk-headless 1.8.0.252.b09-2.el7_8 Red Hat Enterprise Linux ComputeNode Optional (v. 7) java-11-openjdk-src 11.0.7.10-4.el7_8, java-11-openjdk-demo 11.0.7.10-4.el7_8, java-11-openjdk-jmods 11.0.7.10-4.el7_8, java-11-openjdk-javadoc 11.0.7.10-4.el7_8, java-1.8.0-openjdk-src 1.8.0.252.b09-2.el7_8, java-1.8.0-openjdk-demo 1.8.0.252.b09-2.el7_8, +4 more
    fixed: vendor fix RHSA-2020:1512
  • Red Hat Enterprise Linux ComputeNode Supplementary (v. 7) java-1.8.0-ibm 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-src 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-demo 1.8.0.6.10-1jpp.1.el7
    fixed: vendor fix RHSA-2020:2237
show 17 more
  • Red Hat Enterprise Linux Desktop (v. 6) java-1.8.0-openjdk 1.8.0.252.b09-2.el6_10, java-1.8.0-openjdk-headless 1.8.0.252.b09-2.el6_10 Red Hat Enterprise Linux Desktop Optional (v. 6) java-1.8.0-openjdk-src 1.8.0.252.b09-2.el6_10, java-1.8.0-openjdk-demo 1.8.0.252.b09-2.el6_10, java-1.8.0-openjdk-javadoc 1.8.0.252.b09-2.el6_10
    fixed: vendor fix RHSA-2020:1506
  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) java-1.8.0-ibm 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-src 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-demo 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-jdbc 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-plugin 1.8.0.6.10-1jpp.1.el6_10
    fixed: vendor fix RHSA-2020:2239
  • Red Hat Enterprise Linux HPC Node (v. 6) java-1.8.0-openjdk 1.8.0.252.b09-2.el6_10, java-1.8.0-openjdk-headless 1.8.0.252.b09-2.el6_10 Red Hat Enterprise Linux HPC Node Optional (v. 6) java-1.8.0-openjdk-src 1.8.0.252.b09-2.el6_10, java-1.8.0-openjdk-demo 1.8.0.252.b09-2.el6_10, java-1.8.0-openjdk-javadoc 1.8.0.252.b09-2.el6_10
    fixed: vendor fix RHSA-2020:1506
  • Red Hat Enterprise Linux HPC Node Supplementary (v. 6) java-1.8.0-ibm 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-src 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-demo 1.8.0.6.10-1jpp.1.el6_10
    fixed: vendor fix RHSA-2020:2239
  • Red Hat Enterprise Linux Server (v. 6) java-1.8.0-openjdk 1.8.0.252.b09-2.el6_10, java-1.8.0-openjdk-headless 1.8.0.252.b09-2.el6_10
    fixed: vendor fix RHSA-2020:1506
  • Red Hat Enterprise Linux Server (v. 7) java-11-openjdk 11.0.7.10-4.el7_8, java-1.8.0-openjdk 1.8.0.252.b09-2.el7_8, java-11-openjdk-headless 11.0.7.10-4.el7_8, java-1.8.0-openjdk-headless 1.8.0.252.b09-2.el7_8
    fixed: vendor fix RHSA-2020:1512
  • Red Hat Enterprise Linux Server Optional (v. 6) java-1.8.0-openjdk-src 1.8.0.252.b09-2.el6_10, java-1.8.0-openjdk-demo 1.8.0.252.b09-2.el6_10, java-1.8.0-openjdk-javadoc 1.8.0.252.b09-2.el6_10
    fixed: vendor fix RHSA-2020:1506
  • Red Hat Enterprise Linux Server Optional (v. 7) java-11-openjdk-src 11.0.7.10-4.el7_8, java-11-openjdk-demo 11.0.7.10-4.el7_8, java-11-openjdk-jmods 11.0.7.10-4.el7_8, java-11-openjdk-javadoc 11.0.7.10-4.el7_8, java-1.8.0-openjdk-src 1.8.0.252.b09-2.el7_8, java-1.8.0-openjdk-demo 1.8.0.252.b09-2.el7_8, +4 more
    fixed: vendor fix RHSA-2020:1512
  • Red Hat Enterprise Linux Server Supplementary (v. 6) java-1.8.0-ibm 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-src 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-demo 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-jdbc 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-plugin 1.8.0.6.10-1jpp.1.el6_10
    fixed: vendor fix RHSA-2020:2239
  • Red Hat Enterprise Linux Server Supplementary (v. 7) java-1.8.0-ibm 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-src 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-demo 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-jdbc 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-plugin 1.8.0.6.10-1jpp.1.el7
    fixed: vendor fix RHSA-2020:2237
  • Red Hat Enterprise Linux Workstation (v. 6) java-1.8.0-openjdk 1.8.0.252.b09-2.el6_10, java-1.8.0-openjdk-headless 1.8.0.252.b09-2.el6_10
    fixed: vendor fix RHSA-2020:1506
  • Red Hat Enterprise Linux Workstation (v. 7) java-11-openjdk 11.0.7.10-4.el7_8, java-1.8.0-openjdk 1.8.0.252.b09-2.el7_8, java-11-openjdk-headless 11.0.7.10-4.el7_8, java-1.8.0-openjdk-headless 1.8.0.252.b09-2.el7_8
    fixed: vendor fix RHSA-2020:1512
  • Red Hat Enterprise Linux Workstation Optional (v. 6) java-1.8.0-openjdk-src 1.8.0.252.b09-2.el6_10, java-1.8.0-openjdk-demo 1.8.0.252.b09-2.el6_10, java-1.8.0-openjdk-javadoc 1.8.0.252.b09-2.el6_10
    fixed: vendor fix RHSA-2020:1506
  • Red Hat Enterprise Linux Workstation Optional (v. 7) java-11-openjdk-src 11.0.7.10-4.el7_8, java-11-openjdk-demo 11.0.7.10-4.el7_8, java-11-openjdk-jmods 11.0.7.10-4.el7_8, java-11-openjdk-javadoc 11.0.7.10-4.el7_8, java-1.8.0-openjdk-src 1.8.0.252.b09-2.el7_8, java-1.8.0-openjdk-demo 1.8.0.252.b09-2.el7_8, +4 more
    fixed: vendor fix RHSA-2020:1512
  • Red Hat Enterprise Linux Workstation Supplementary (v. 6) java-1.8.0-ibm 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-src 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-demo 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-jdbc 1.8.0.6.10-1jpp.1.el6_10, java-1.8.0-ibm-plugin 1.8.0.6.10-1jpp.1.el6_10
    fixed: vendor fix RHSA-2020:2239
  • Red Hat Enterprise Linux Workstation Supplementary (v. 7) java-1.8.0-ibm 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-src 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-demo 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-jdbc 1.8.0.6.10-1jpp.1.el7, java-1.8.0-ibm-plugin 1.8.0.6.10-1jpp.1.el7
    fixed: vendor fix RHSA-2020:2237
  • Red Hat Enterprise Linux 6 java-1.7.0-openjdk, java-1.7.0-openjdk-src, java-1.7.0-openjdk-demo, java-1.7.0-openjdk-javadoc Red Hat Enterprise Linux 7 java-1.7.0-openjdk, java-1.7.0-openjdk-src, java-1.7.0-openjdk-demo, java-1.7.0-openjdk-javadoc, java-1.7.0-openjdk-headless, java-1.7.0-openjdk-accessibility
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

3.93% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 3.7 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P
OSV 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
bitnami java
<1.8.0
>=8.0.0, <8.0.251
>=9.0.0, <11.0.7
>=12.0.0, <14.0.1
1.8.0
8.0.251
11.0.7
14.0.1
bitnami java-min
<1.8.0
>=8.0.0, <8.0.251
>=9.0.0, <11.0.7
>=12.0.0, <14.0.1
1.8.0
8.0.251
11.0.7
14.0.1
bitnami jre
<1.8.0
>=8.0.0, <8.0.251
>=9.0.0, <11.0.7
>=12.0.0, <14.0.1
1.8.0
8.0.251
11.0.7
14.0.1

Affected products

  • Oracle Corporation Java

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Updated Java versions.