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.

Published: 2013-01-03 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4545 is rated Moderate Risk (42.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.47%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-4545

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-01 0.42% 0.47% +0.05%
2 2025-03-30 0.79% 0.42% -0.37%
3 2025-03-29 — 0.79% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4545

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.1 2.0 MEDIUM
AV:N/AC:H/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 4.9 6.4 [email protected]

Weakness enumeration for CVE-2012-4545

OS Trackers for CVE-2012-4545

vendor priority summary link
debian not yet assigned CVE-2012-4545 not yet assigned priority: Debian including 1 source packages (elinks), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2012-4545
redhat medium — https://access.redhat.com/security/cve/CVE-2012-4545
ubuntu medium CVE-2012-4545 medium priority: Ubuntu including 1 source packages (elinks), 15 status rows across 15 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 8, ignored 5, DNE 1, released 1. https://ubuntu.com/security/CVE-2012-4545

Affected software / configurations for CVE-2012-4545

Vendor Product Version Raw CPE
elinks elinks 0.12 cpe:2.3:a:elinks:elinks:0.12:pre1:*:*:*:*:*:*
elinks elinks 0.12 cpe:2.3:a:elinks:elinks:0.12:pre2:*:*:*:*:*:*
elinks elinks 0.12 cpe:2.3:a:elinks:elinks:0.12:pre3:*:*:*:*:*:*
elinks elinks 0.12 cpe:2.3:a:elinks:elinks:0.12:pre4:*:*:*:*:*:*
elinks elinks 0.12 cpe:2.3:a:elinks:elinks:0.12:pre5:*:*:*:*:*:*

References for CVE-2012-4545

cvelogic Threat Intelligence