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Fencer Intel
critical 9.8

CVE-2020-11973 json

Apache Camel Netty enables Java deserialization by default

published 6y ago modified 4mo ago also GHSA-h79p-32mx-fjj9 , EUVD-2020-0425

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.8%
EPSS 6.8% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Apache Camel Netty enables Java deserialization by default. Apache Camel 2.22.x, 2.23.x, 2.24.x, 2.25.0, 3.0.0 up to 3.1.0 are affected. 2.x users should upgrade to 2.25.1, 3.x users should upgrade to 3.2.0.

Patch / fix

  • maven org.apache.camel:camel-netty 3.2.0

Is CVE-2020-11973 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2020-11973 updated cvss 9.8

camel: Netty enables Java deserialization by default which could leed to remote code execution

  • Red Hat JBoss Fuse 6 camel-netty
    affected: workaround, no fix planned “Red Hat JBoss Fuse 6 & Red Hat Fuse 7 customers should use `camel-netty4` instead”
  • Red Hat Fuse 7.8.0
    fixed: vendor fix “Red Hat JBoss Fuse 6 & Red Hat Fuse 7 customers should use `camel-netty4` instead” RHSA-2020:5568
  • Red Hat JBoss Data Grid 7 camel-netty
    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

6.76% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven org.apache.camel:camel-netty
>=3.0.0, <3.2.0
3.2.0

Affected products

  • n/a Apache Camel

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

Sources

Fencer Intel 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.