What is CVE-2009-0653?

CVE-2009-0653 is a vulnerability in Openssl, classified under Improper Authentication. Published 2009-02-20.

Is CVE-2009-0653 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Openssl

CVE-2009-0653

OpenSSL, probably 0.9.6, does not verify the Basic Constraints for an intermediate CA-signed certificate, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack, a related issue to CVE-2002-0970.

Vulnerability class: Broken Authentication

EPSS: 0.011 (63.6th percentile) — read the EPSS interpretation.

Affected products

Openssl — versions 0.9.6
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

ARPSyndicate/cvemon
chnzzh/OpenSSL-CVE-lib

References

cve@mitre.org (Exploit, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2009-0653?: CVE-2009-0653 is a vulnerability in Openssl, classified under Improper Authentication. Published 2009-02-20.
Is CVE-2009-0653 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.