Is CVE-2010-4180 being actively exploited?

CVE-2010-4180 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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

CVE-2010-4180 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2010-4180

MEDIUM · CVSS 4.3EPSS 9.5%EU EUVD

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.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS score: 9.5% (95th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-4155)
Published: December 6, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-4155 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
f5 / nginx
fedoraproject / fedora
fedoraproject / fedora
openssl / openssl
opensuse / opensuse
opensuse / opensuse
opensuse / opensuse
opensuse / opensuse
suse / linux enterprise
suse / linux enterprise desktop
suse / linux enterprise desktop
suse / linux enterprise desktop
suse / linux enterprise server
suse / linux enterprise server
suse / linux enterprise server

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

SUSE Linux Enterprise Server Version 9 with Service Pack 2, ProPack 4 for Service Pack 2 and certification-sles-sgi-eal3 package - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0292-2005 - archived
SuSE Linux Enterprise Server Version 9 with certification-sles-ibm-eal4 package - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0256-2005 - archived

References

http://cvs.openssl.org/chngview?cn=20131(Broken Link, Patch)
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02794777(Broken Link)
http://lists.apple.com/archives/security-announce/2011//Jun/msg00000.html(Broken Link, Mailing List, Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052027.html(Mailing List, Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052315.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00003.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00013.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00014.html(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=129916880600544&w=2(Issue Tracking, Third Party Advisory)
http://marc.info/?l=bugtraq&m=130497251507577&w=2(Issue Tracking, Third Party Advisory)
http://marc.info/?l=bugtraq&m=132077688910227&w=2(Issue Tracking, Third Party Advisory)
http://openssl.org/news/secadv_20101202.txt(Patch, Third Party Advisory)
http://osvdb.org/69565(Broken Link)
http://secunia.com/advisories/42469(Not Applicable)
http://secunia.com/advisories/42473(Not Applicable)
http://secunia.com/advisories/42493(Not Applicable)
http://secunia.com/advisories/42571(Not Applicable)
http://secunia.com/advisories/42620(Not Applicable)
http://secunia.com/advisories/42811(Not Applicable)
http://secunia.com/advisories/42877(Not Applicable)
http://secunia.com/advisories/43169(Not Applicable)
http://secunia.com/advisories/43170(Not Applicable)
http://secunia.com/advisories/43171(Not Applicable)
http://secunia.com/advisories/43172(Not Applicable)
http://secunia.com/advisories/43173(Not Applicable)
http://secunia.com/advisories/44269(Not Applicable)
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668471(Third Party Advisory)
http://support.apple.com/kb/HT4723(Third Party Advisory)
http://ubuntu.com/usn/usn-1029-1(Third Party Advisory)
http://www.debian.org/security/2011/dsa-2141(Third Party Advisory)
http://www.kb.cert.org/vuls/id/737740(Third Party Advisory, US Government Resource)
http://www.mandriva.com/security/advisories?name=MDVSA-2010:248(Permissions Required)
http://www.redhat.com/support/errata/RHSA-2010-0977.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2010-0978.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2010-0979.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2011-0896.html(Vendor Advisory)
http://www.securityfocus.com/archive/1/522176(Third Party Advisory, VDB Entry)
http://www.securityfocus.com/bid/45164(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1024822(Broken Link, Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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