CVE-2021-20289

Publication date 26 March 2021

Last updated 16 July 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.3 · Medium

Score breakdown

A flaw was found in RESTEasy in all versions of RESTEasy up to 4.6.0.Final. The endpoint class and method names are returned as part of the exception response when RESTEasy cannot convert one of the request URI path or query values to the matching JAX-RS resource method's parameter value. The highest threat from this vulnerability is to data confidentiality.

Status

Package Ubuntu Release Status
resteasy3.0 25.04 plucky
Fixed 3.0.26-6ubuntu0.25.04.1
24.10 oracular
Fixed 3.0.26-6ubuntu0.24.10.1
24.04 LTS noble
Fixed 3.0.26-6ubuntu0.24.04.1
23.10 mantic Ignored end of life, was needs-triage
23.04 lunar Ignored end of life, was needs-triage
22.10 kinetic Ignored end of life, was needs-triage
22.04 LTS jammy
Fixed 3.0.26-3ubuntu0.1
21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
20.10 groovy Ignored end of life
20.04 LTS focal
Fixed 3.0.26-1ubuntu0.1~esm1
18.04 LTS bionic
Fixed 3.0.26-1~18.04.1~esm1
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
resteasy 25.04 plucky
Fixed 3.6.2-3ubuntu0.25.04.1
24.10 oracular
Fixed 3.6.2-2ubuntu0.24.10.1
24.04 LTS noble
Fixed 3.6.2-2ubuntu0.24.04.1~esm1
23.10 mantic Ignored end of life, was needs-triage
23.04 lunar Ignored end of life, was needs-triage
22.10 kinetic Ignored end of life, was needs-triage
22.04 LTS jammy
Fixed 3.6.2-2ubuntu0.22.04.1~esm1
21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
20.10 groovy Ignored end of life
20.04 LTS focal
Fixed 3.6.2-2ubuntu0.20.04.1~esm1
18.04 LTS bionic Not in release
16.04 LTS xenial
Fixed 3.0.6-3ubuntu0.1~esm1
14.04 LTS trusty Not in release

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
resteasy3.0
resteasy

Severity score breakdown

Parameter Value
Base score 5.3 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-7351-1
    • RESTEasy vulnerabilities
    • 13 March 2025
    • USN-7630-1
    • RESTEasy vulnerabilities
    • 10 July 2025

Other references