CVE-2012-4560

Multiple buffer overflows in libssh before 0.5.3 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via unspecified vectors.

Published: 2012-11-30 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4560 is rated Moderate Risk (63.4/100): CVSS High severity, with high exploitation likelihood (EPSS 6.61%, 91th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.63% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize 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-2012-4560

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 2025-06-03 4.98% 6.61% +1.63%
2 2025-03-30 6.12% 4.98% -1.14%
3 2025-03-29 — 6.12% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4560

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2012-4560

OS Trackers for CVE-2012-4560

vendor priority summary link
debian not yet assigned CVE-2012-4560 not yet assigned priority: Debian including 1 source packages (libssh), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2012-4560
gentoo normal CVE-2012-4560: 1 GLSA(s) (201402-26), 1 atom(s) (net-libs/libssh); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-4560
suse high CVE-2012-4560 severity important: SUSE including 36 source package names (libssh, libssh-config-0.10.6-1.12, …), 65 product×package rows across 29 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (29 product lines)): Fixed 52, Known Not Affected 13. https://www.suse.com/security/cve/CVE-2012-4560/
ubuntu medium CVE-2012-4560 medium priority: Ubuntu including 1 source packages (libssh), 6 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): released 4, ignored 1, not-affected 1. https://ubuntu.com/security/CVE-2012-4560

Affected software / configurations for CVE-2012-4560

Vendor Product Version Raw CPE
libssh libssh <= 0.5.2 cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*
libssh libssh 0.4.7 cpe:2.3:a:libssh:libssh:0.4.7:*:*:*:*:*:*:*
libssh libssh 0.4.8 cpe:2.3:a:libssh:libssh:0.4.8:*:*:*:*:*:*:*
libssh libssh 0.5.0 cpe:2.3:a:libssh:libssh:0.5.0:*:*:*:*:*:*:*
libssh libssh 0.5.0 cpe:2.3:a:libssh:libssh:0.5.0:rc1:*:*:*:*:*:*
libssh libssh 0.5.1 cpe:2.3:a:libssh:libssh:0.5.1:*:*:*:*:*:*:*

References for CVE-2012-4560

cvelogic Threat Intelligence