Is CVE-2021-20289 in the CISA KEV catalog?

No. CVE-2021-20289 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-20289?

CVE-2021-20289 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2021-20289?

CVE-2021-20289 has an EPSS score of 1.44% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-20289?

Upgrade libresteasy-java on ubuntu 16.04 to 3.0.6-3ubuntu0.1~esm1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2021-20289

MEDIUM

5.3

CVSS v3

NVD

Description

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.

CWE-209

How to fix

Remediation Available

libresteasy-javaUbuntu

Fixed in:3.0.6-3ubuntu0.1~esm1USN-7630-1

Fixed in:3.6.2-2ubuntu0.20.04.1~esm1USN-7351-1

Fixed in:3.6.2-2ubuntu0.22.04.1~esm1USN-7351-1

Fixed in:3.6.2-2ubuntu0.24.04.1~esm1USN-7351-1

libresteasy3.0-javaUbuntu

Fixed in:3.0.26-1~18.04.1~esm1USN-7630-1

Fixed in:3.0.26-1ubuntu0.1~esm1USN-7630-1

Fixed in:3.0.26-3ubuntu0.1USN-7630-1

Fixed in:3.0.26-6ubuntu0.24.04.1USN-7630-1

resteasyUbuntu

Fixed in:3.0.6-3ubuntu0.1~esm1USN-7630-1

Fixed in:3.0.26-1~18.04.1~esm1USN-7630-1

Fixed in:3.6.2-2ubuntu0.20.04.1~esm1USN-7351-1

Fixed in:3.0.26-1ubuntu0.1~esm1USN-7630-1

Fixed in:3.6.2-2ubuntu0.22.04.1~esm1USN-7351-1

Fixed in:3.0.26-3ubuntu0.1USN-7630-1

Fixed in:3.6.2-2ubuntu0.24.04.1~esm1USN-7351-1

Fixed in:3.0.26-6ubuntu0.24.04.1USN-7630-1

resteasy3.0Ubuntu

Fixed in:3.0.26-1~18.04.1~esm1USN-7630-1

Fixed in:3.0.26-1ubuntu0.1~esm1USN-7630-1

Fixed in:3.0.26-3ubuntu0.1USN-7630-1

Fixed in:3.0.26-6ubuntu0.24.04.1USN-7630-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

1.44%probability of exploitation in 30 days

70thpercentile

Moderate risk: more likely to be exploited than 70% of all known CVEs.

References

Patch1

oracle.com

Third-Party Advisory1

bugzilla.redhat.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.