low 3.7

CVE-2020-2778 json

Vulnerability in the Java SE product of Oracle Java SE (component: JSSE).

published 2020-04-15 6 y ago modified 2026-09-08 2 mo ago also BIT-java-2020-2778 , BIT-java-min-2020-2778 , BIT-jre-2020-2778 , EUVD-2020-22571

cvss: 3.7; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.4%; EPSS 2.4% chance of exploitation in 30 days, percentile 83%
public exploits: 0; none known

Vulnerability in the Java SE product of Oracle Java SE (component: JSSE). Supported versions that are affected are Java SE: 11.0.6 and 14. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Java SE. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Java SE accessible data. 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 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

Patch / fix

fixed in 12 distros 6

bitnami java 11.0.7, 14.0.1
bitnami java-min 11.0.7, 14.0.1
bitnami jre 11.0.7, 14.0.1
oracle java_se 11.0.7, 14.0.1
oracle jdk 11.0.7, 14.0.1
oracle jre 11.0.7, 14.0.1
sun java 11.0.7, 14.0.1
sun java_se 11.0.7, 14.0.1
sun jdk 11.0.7, 14.0.1
sun jre 11.0.7, 14.0.1
oracle openjdk 11.0.7, 14.0.1
sun openjdk 11.0.7, 14.0.1

debian ubuntu red hat suse opensuse alpine

openjdk-11 Debian 11 11.0.7+10-1

debian advisories DEBIAN-CVE-2020-2778

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-2020-2778

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-2020:1517 RHSA-2020:1514 RHSA-2020:1509

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-11-openjdk SLES for SAP 12 SP5, SLES 12 SP5 11.0.7.0-3.9.2

suse advisories SUSE-SU-2020:1511-2 SUSE-SU-2020:1572-1 SUSE-SU-2020:1511-1

java-11-openjdk openSUSE Tumbleweed 11.0.12.0-3.1
java-13-openjdk openSUSE Tumbleweed 13.0.8.0-3.1
java-11-openjdk openSUSE Leap 15.1 11.0.7.0-lp151.3.16.1

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

openjdk11 Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 11.0.7_p10-r0

alpine advisories ALPINE-CVE-2020-2778

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-2020-2778 updated 2026-11-07 cvss 3.7

OpenJDK: Incomplete enforcement of algorithm restrictions for TLS (JSSE, 8232424)

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-11-openjdk-javadoc 11.0.7.10-1.el8_1, java-11-openjdk-headless 11.0.7.10-1.el8_1, +1 more
fixed: vendor fix RHSA-2020:1514
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-11-openjdk-javadoc 11.0.7.10-1.el8_0, java-11-openjdk-headless 11.0.7.10-1.el8_0, +1 more
fixed: vendor fix RHSA-2020:1517
Red Hat Enterprise Linux Client (v. 7) java-11-openjdk 11.0.7.10-4.el7_8, java-11-openjdk-headless 11.0.7.10-4.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-11-openjdk-javadoc-zip 11.0.7.10-4.el7_8 Red Hat Enterprise Linux ComputeNode (v. 7) java-11-openjdk 11.0.7.10-4.el7_8, java-11-openjdk-headless 11.0.7.10-4.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-11-openjdk-javadoc-zip 11.0.7.10-4.el7_8 Red Hat Enterprise Linux Server (v. 7) java-11-openjdk 11.0.7.10-4.el7_8, java-11-openjdk-headless 11.0.7.10-4.el7_8 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-11-openjdk-javadoc-zip 11.0.7.10-4.el7_8

+2 more productsfewer

Red Hat Enterprise Linux Workstation (v. 7) java-11-openjdk 11.0.7.10-4.el7_8, java-11-openjdk-headless 11.0.7.10-4.el7_8 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-11-openjdk-javadoc-zip 11.0.7.10-4.el7_8

fixed: vendor fix RHSA-2020:1509
Red Hat Enterprise Linux 6 java-1.7.0-openjdk, java-1.8.0-openjdk, java-1.7.0-openjdk-src, java-1.8.0-openjdk-src, java-1.7.0-openjdk-demo, java-1.8.0-openjdk-demo, +3 more Red Hat Enterprise Linux 7 java-1.7.0-openjdk, java-1.8.0-openjdk, java-1.7.0-openjdk-src, java-1.8.0-openjdk-src, java-1.7.0-openjdk-demo, java-1.8.0-openjdk-demo, +7 more Red Hat Enterprise Linux 8 java-1.8.0-openjdk, java-1.8.0-openjdk-src, java-1.8.0-openjdk-demo, java-1.8.0-openjdk-javadoc, java-1.8.0-openjdk-headless, java-1.8.0-openjdk-fastdebug, +13 more
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 (2024-09-30)

Exploit prediction

2.36% chance of exploitation in the next 30 days, higher than 83% 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:L/I:N/A:N
NVD	3.1	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N
OSV	3.1	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

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

Affected products

Oracle Corporation Java

References

debian.org /security/2020/dsa-4662
vendor-advisory, third-party-advisory, advisory
usn.ubuntu.com /4337-1/
vendor-advisory, third-party-advisory, advisory
lists.opensuse.org /opensuse-security-announce/2020-06/msg00000.html
vendor-advisory, third-party-advisory, advisory
oracle.com /security-alerts/cpuapr2020.html
vendor-advisory, advisory
security.netapp.com /advisory/ntap-20200416-0004/
third-party-advisory, advisory
nvd.nist.gov /vuln/detail/CVE-2020-2778
web

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.

Summary