CVE-2012-4545
CVE-2012-4545 is a medium-severity vulnerability in Elinks with a CVSS 2.0 base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.1)
- EPSS exploit prediction: 2% (77th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Elinks
- Published:
- Last modified:
Description
The http_negotiate_create_context function in protocol/http/http_negotiate.c in ELinks 0.12 before 0.12pre6, when using HTTP Negotiate or GSS-Negotiate authentication, delegates user credentials through GSSAPI, which allows remote servers to authenticate as the client via the delegated credentials.
Frequently asked questions
- What is CVE-2012-4545?
- The http_negotiate_create_context function in protocol/http/http_negotiate.c in ELinks 0.12 before 0.12pre6, when using HTTP Negotiate or GSS-Negotiate authentication, delegates user credentials through GSSAPI, which allows remote servers to authenticate as the client via the delegated credentials.
- How severe is CVE-2012-4545?
- CVE-2012-4545 has a CVSS 2.0 base score of 5.1, rated medium severity.
- Is CVE-2012-4545 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2012-4545?
- CVE-2012-4545 primarily affects Elinks. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2012-4545?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2012-4545 published?
- CVE-2012-4545 was published on 2013-01-03 and last updated on 2026-06-16.
References
- http://bugzilla.elinks.cz/show_bug.cgi?id=1124
- http://repo.or.cz/w/elinks.git/blobdiff/89056e21fc7ab8e1c2d4e06ec9d0c6d01e70669a..da18694ff7dd0b67dfcb3c417fb0579b1e7d02d7:/src/protocol/http/http_negotiate.c
- http://rhn.redhat.com/errata/RHSA-2013-0250.html
- http://secunia.com/advisories/51569
- http://www.debian.org/security/2012/dsa-2592
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:075
- http://www.securityfocus.com/bid/57065
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80882
Affected products (5)
- cpe:2.3:a:elinks:elinks:0.12:pre1:*:*:*:*:*:*
- cpe:2.3:a:elinks:elinks:0.12:pre2:*:*:*:*:*:*
- cpe:2.3:a:elinks:elinks:0.12:pre3:*:*:*:*:*:*
- cpe:2.3:a:elinks:elinks:0.12:pre4:*:*:*:*:*:*
- cpe:2.3:a:elinks:elinks:0.12:pre5:*:*:*:*:*:*
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Other CWE-287 (Improper Authentication) vulnerabilities
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- CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
- CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…
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