CVE-2012-4454

openCryptoki before 2.4.1, when using spinlocks, allows local users to create or set world-writable permissions on arbitrary files via a symlink attack on the (1) .pkapi_xpk or (2) .pkcs11spinloc file in /tmp.

Published: 2012-10-10 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4454 is rated Low Risk (32.6/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.03%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2012-4454

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 2026-06-15 0.66% 1.03% +0.37%
2 2025-12-19 0.53% 0.66% +0.13%
3 2025-03-30 — 0.53% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4454

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.9 2.0 LOW
AV:A/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 5.5 2.9 [email protected]

Weakness enumeration for CVE-2012-4454

OS Trackers for CVE-2012-4454

vendor priority summary link
debian low CVE-2012-4454 low priority: Debian including 1 source packages (opencryptoki), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2012-4454
redhat medium — https://access.redhat.com/security/cve/CVE-2012-4454
ubuntu low CVE-2012-4454 low priority: Ubuntu including 1 source packages (opencryptoki), 20 status rows across 20 suites (artful, bionic, cosmic, disco, hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 14, not-affected 4, DNE 1, released 1. https://ubuntu.com/security/CVE-2012-4454

Affected software / configurations for CVE-2012-4454

Vendor Product Version Raw CPE
opencryptoki_project opencryptoki <= 2.4 cpe:2.3:a:opencryptoki_project:opencryptoki:*:*:*:*:*:*:*:*
opencryptoki_project opencryptoki 2.2.3 cpe:2.3:a:opencryptoki_project:opencryptoki:2.2.3:*:*:*:*:*:*:*
opencryptoki_project opencryptoki 2.2.4 cpe:2.3:a:opencryptoki_project:opencryptoki:2.2.4:*:*:*:*:*:*:*
opencryptoki_project opencryptoki 2.2.4.1 cpe:2.3:a:opencryptoki_project:opencryptoki:2.2.4.1:*:*:*:*:*:*:*
opencryptoki_project opencryptoki 2.2.5 cpe:2.3:a:opencryptoki_project:opencryptoki:2.2.5:*:*:*:*:*:*:*
opencryptoki_project opencryptoki 2.2.6 cpe:2.3:a:opencryptoki_project:opencryptoki:2.2.6:*:*:*:*:*:*:*
opencryptoki_project opencryptoki 2.2.7 cpe:2.3:a:opencryptoki_project:opencryptoki:2.2.7:*:*:*:*:*:*:*
opencryptoki_project opencryptoki 2.2.8 cpe:2.3:a:opencryptoki_project:opencryptoki:2.2.8:*:*:*:*:*:*:*
opencryptoki_project opencryptoki 2.3.0 cpe:2.3:a:opencryptoki_project:opencryptoki:2.3.0:*:*:*:*:*:*:*
opencryptoki_project opencryptoki 2.3.1 cpe:2.3:a:opencryptoki_project:opencryptoki:2.3.1:*:*:*:*:*:*:*
opencryptoki_project opencryptoki 2.3.2 cpe:2.3:a:opencryptoki_project:opencryptoki:2.3.2:*:*:*:*:*:*:*
opencryptoki_project opencryptoki 2.3.3 cpe:2.3:a:opencryptoki_project:opencryptoki:2.3.3:*:*:*:*:*:*:*

References for CVE-2012-4454

URL Tags
http://opencryptoki.git.sourceforge.net/git/gitweb.cgi?p=opencryptoki/opencryptoki%3Ba=commitdiff%3Bh=58345488c9351d9be9a4be27c8b407c2706a33a9
http://opencryptoki.git.sourceforge.net/git/gitweb.cgi?p=opencryptoki/opencryptoki%3Ba=commitdiff%3Bh=b7fcb3eb0319183348f1f4fb90ede4edd6487c30
http://secunia.com/advisories/50702 Vendor Advisory
http://sourceforge.net/mailarchive/message.php?msg_id=28878345
http://www.openwall.com/lists/oss-security/2012/09/07/2
http://www.openwall.com/lists/oss-security/2012/09/07/6
http://www.openwall.com/lists/oss-security/2012/09/09/2
http://www.openwall.com/lists/oss-security/2012/09/20/6
http://www.openwall.com/lists/oss-security/2012/09/25/5
http://www.openwall.com/lists/oss-security/2012/09/27/2
http://www.securityfocus.com/bid/55627
https://bugzilla.redhat.com/show_bug.cgi?id=730636
https://exchange.xforce.ibmcloud.com/vulnerabilities/78797
cvelogic Threat Intelligence