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Fencer Vulns
high 7.5

CVE-2020-13949 json

Uncontrolled Resource Consumption in Apache Thrift

published 2021-02-12 5 y ago modified 2026-09-10 1 mo ago also BIT-thrift-2020-13949 , EUVD-2021-0656 , GHSA-g2fg-mr77-6vrm

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.9%
EPSS 6.9% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

In Apache Thrift 0.9.3 to 0.13.0, malicious RPC clients could send short messages which would result in a large memory allocation, potentially leading to denial of service.

Patch / fix

  • maven org.apache.thrift:libthrift 0.14.0
  • apache hive 4.0.0
  • thrift Debian 14, Debian 13, Debian 12 0.16.0-3

debian advisories DEBIAN-CVE-2020-13949

  • eap7-netty jboss enterprise application platform eus 7.1 4.1.63-2.Final_redhat_00003.1.ep7.el7
  • eap7-wildfly jboss enterprise application platform eus 7.1 7.1.11-4.GA_redhat_00002.1.ep7.el7
  • eap7-undertow jboss enterprise application platform eus 7.1 1.4.18-16.SP14_redhat_00001.1.ep7.el7
  • eap7-hibernate jboss enterprise application platform eus 7.1 5.1.17-3.Final_redhat_00004.1.ep7.el7
  • eap7-netty-all jboss enterprise application platform eus 7.1 4.1.63-2.Final_redhat_00003.1.ep7.el7
  • eap7-glassfish-el jboss enterprise application platform eus 7.1 3.0.1-4.b08_redhat_00005.1.ep7.el7
  • eap7-hibernate-core jboss enterprise application platform eus 7.1 5.1.17-3.Final_redhat_00004.1.ep7.el7
  • eap7-hibernate-java8 jboss enterprise application platform eus 7.1 5.1.17-3.Final_redhat_00004.1.ep7.el7

red hat advisories RHSA-2025:9582

  • thrift openSUSE Tumbleweed 0.14.1-1.6

opensuse advisories openSUSE-SU-2024:11459-1

  • thrift Alpine 3.24, Alpine 3.23, Alpine 3.22 +7 more 0.14.0-r0

alpine advisories ALPINE-CVE-2020-13949

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

  • thrift Arch Linux 0.14.0-1

arch linux advisories AVG-1568

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-2020-13949 updated cvss 7.5

libthrift: potential DoS when processing untrusted payloads

  • Red Hat build of Quarkus org.apache.thrift-libthrift Red Hat Integration Camel K 1 org.apache.thrift-libthrift
    affected: no fix available
  • Red Hat Integration Camel Quarkus 1 org.apache.thrift-libthrift
    affected: no fix planned “Will not fix”
  • Red Hat JBoss Data Grid 7 org.apache.thrift-libthrift Red Hat JBoss Data Virtualization 6 org.apache.thrift-libthrift
    affected: no fix planned “Out of support scope”
  • Red Hat JBoss Enterprise Application Platform 7 org.apache.thrift-libthrift
    affected: no fix available
  • Red Hat JBoss Enterprise Application Platform Expansion Pack org.apache.thrift-libthrift
    affected: no fix planned “Will not fix”
  • Red Hat JBoss Fuse 6 org.apache.thrift-libthrift Red Hat JBoss Operations Network 3 org.apache.thrift-libthrift
    affected: no fix planned “Out of support scope”
  • Red Hat OpenShift Application Runtimes org.apache.thrift-libthrift
    affected: no fix available
  • Red Hat OpenShift Container Platform 3.11 fb303, thrift, thrift-qt, fb303-java, perl-thrift, thrift-glib, +4 more
    affected: no fix planned “Will not fix”
show 8 more
  • Red Hat OpenShift Container Platform 4 fb303, thrift, thrift-qt, fb303-java, perl-thrift, thrift-glib, +8 more
    affected: no fix available, no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 10 (Newton) opendaylight
    affected: no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 13 (Queens) opendaylight Red Hat Single Sign-On 7 org.apache.thrift-libthrift
    affected: no fix planned “Will not fix”
  • Red Hat streams for Apache Kafka org.apache.thrift-libthrift
    affected: no fix available
  • Red Hat Fuse 7.10
    fixed: vendor fix RHSA-2021:5134
  • Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7 Server eap7-wildfly 7.1.11-4.GA_redhat_00002.1.ep7.el7, eap7-netty 4.1.63-2.Final_redhat_00003.1.ep7.el7, eap7-undertow 1.4.18-16.SP14_redhat_00001.1.ep7.el7, eap7-glassfish-el 3.0.1-4.b08_redhat_00005.1.ep7.el7, eap7-hibernate 5.1.17-3.Final_redhat_00004.1.ep7.el7, eap7-netty-all 4.1.63-2.Final_redhat_00003.1.ep7.el7, +19 more
    fixed: vendor fix RHSA-2025:9582
  • Red Hat OpenShift Jaeger 1.20 distributed-tracing/jaeger-agent-rhel8 1.20.4-18, distributed-tracing/jaeger-query-rhel8 1.20.4-18, distributed-tracing/jaeger-ingester-rhel8 1.20.4-17, distributed-tracing/jaeger-rhel8-operator 1.20.4-18, distributed-tracing/jaeger-collector-rhel8 1.20.4-18, distributed-tracing/jaeger-all-in-one-rhel8 1.20.4-18
    fixed: vendor fix RHSA-2021:2543
  • Red Hat Advanced Cluster Management for Kubernetes 2 hive, rcm-controller, search-operator, search-collector, endpoint-operator, search-aggregator, +13 more Red Hat Decision Manager 7 org.apache.thrift-libthrift Red Hat OpenShift Container Platform Assisted Installer 1 rhai-tech-preview/assisted-installer-rhel8, rhai-tech-preview/assisted-installer-agent-rhel8, rhai-tech-preview/assisted-installer-reporter-rhel8 Red Hat OpenShift Jaeger 1.20 distributed-tracing/jaeger-es-rollover-rhel8 1.20.4-7, distributed-tracing/jaeger-es-index-cleaner-rhel8 1.20.4-7
    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

Exploit prediction

6.86% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
maven org.apache.thrift:libthrift
>=0.9.3, <0.14.0
0.14.0
bitnami thrift
>=0.9.3, <=0.13.0
 no fix listed

Affected products

  • n/a Apache Thrift

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

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.