Is CVE-2010-4180 in the CISA KEV catalog?

No. CVE-2010-4180 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2010-4180?

CVE-2010-4180 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2010-4180?

CVE-2010-4180 has an EPSS score of 9.50% (95th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2010-4180?

Upgrade openssl on debian 11 to 0.9.8o-4 or later.

CVE & CISA-KEV Catalog

CVE-2010-4180

MEDIUMEPSS 95th pctl

4.3

CVSS v2

NVD

Description

OpenSSL before 0.9.8q, and 1.0.x before 1.0.0c, when SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG is enabled, does not properly prevent modification of the ciphersuite in the session cache, which allows remote attackers to force the downgrade to an unintended cipher via vectors involving sniffing network traffic to discover a session identifier.

How to fix

Remediation Available

opensslDebian

Fixed in:0.9.8o-4CVE-2010-4180

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

9.50%probability of exploitation in 30 days

95thpercentile

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

References

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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.