Is CVE-2011-2192 being actively exploited?

CVE-2011-2192 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-2192?

CVE-2011-2192 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2011-2192

MEDIUM · CVSS 4.3EPSS 2.9%EU EUVD

The Curl_input_negotiate function in http_negotiate.c in libcurl 7.10.6 through 7.21.6, as used in curl and other products, always performs credential delegation during GSSAPI authentication, which allows remote servers to impersonate clients via GSSAPI requests.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-255
EPSS score: 2.9% (87th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-2183)
Published: July 7, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-2183 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

apple / mac os x
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
debian / debian linux
fedoraproject / fedora
fedoraproject / fedora
haxx / libcurl

Certified products that may be affected

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

Apple Mac OS X 10.6 - Apple Inc. - Common Criteria BSI-DSZ-CC-0536-2010 - archived
Apple Mac OS X v10.3.6 and Apple Mac OS X Server V10.3.6 - Apple Inc. - Common Criteria CCEVS-VR-0086-2005 - archived

References

http://curl.haxx.se/curl-gssapi-delegation.patch(Broken Link)
http://curl.haxx.se/docs/adv_20110623.html(Vendor Advisory)
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html(Mailing List, Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062287.html(Mailing List, Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061992.html(Mailing List, Third Party Advisory)
http://secunia.com/advisories/45047(Third Party Advisory)
http://secunia.com/advisories/45067(Third Party Advisory)
http://secunia.com/advisories/45088(Third Party Advisory)
http://secunia.com/advisories/45144(Third Party Advisory)
http://secunia.com/advisories/45181(Third Party Advisory)
http://secunia.com/advisories/48256(Third Party Advisory)
http://security.gentoo.org/glsa/glsa-201203-02.xml(Third Party Advisory)
http://support.apple.com/kb/HT5130(Third Party Advisory)
http://www.debian.org/security/2011/dsa-2271(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2011:116(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2011-0918.html(Third Party Advisory)
http://www.securitytracker.com/id?1025713(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-1158-1(Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=711454(Issue Tracking, Third Party Advisory)

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

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