Is CVE-2012-5783 in the CISA KEV catalog?

No. CVE-2012-5783 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-5783?

CVE-2012-5783 has a CVSS v2 base score of 5.8 (MEDIUM).

What is the EPSS score for CVE-2012-5783?

CVE-2012-5783 has an EPSS score of 9.25% (95th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-5783?

Upgrade commons-httpclient on debian 11 to 3.1-10.1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2012-5783

MEDIUMEPSS 95th pctl

5.8

CVSS v2

NVD

Description

Apache Commons HttpClient 3.x, as used in Amazon Flexible Payments Service (FPS) merchant Java SDK and other products, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

commons-httpclientDebian

Fixed in:3.1-10.1CVE-2012-5783

commons-httpclientUbuntu

Fixed in:3.1-10.2ubuntu0.14.04.1USN-2769-1

libcommons-httpclient-javaUbuntu

Fixed in:3.1-10.2ubuntu0.14.04.1USN-2769-1

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

9.25%probability of exploitation in 30 days

95thpercentile

High risk: more likely to be exploited than 95% of all known CVEs.

References

Patch1

issues.apache.org

Third-Party Advisory5

Other references12

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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 2026-04-29.