CVE-2013-0289

Isync 0.4 before 1.0.6, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Published: 2014-05-23 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-0289 is rated Moderate Risk (41.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.33%). Mandatory action: 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-2013-0289

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 0.61% 1.33% +0.72%
2 2026-02-20 0.48% 0.61% +0.13%
3 2025-03-30 0.48%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-0289

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2013-0289

OS Trackers for CVE-2013-0289

vendor priority summary link
debian low CVE-2013-0289 low priority: Debian including 1 source packages (isync), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-0289
gentoo low CVE-2013-0289: 1 GLSA(s) (201310-02), 1 atom(s) (net-mail/isync); latest impact low. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-0289
ubuntu medium CVE-2013-0289 medium priority: Ubuntu including 1 source packages (isync), 18 status rows across 18 suites (artful, bionic, cosmic, hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 13, not-affected 3, DNE 1, released 1. https://ubuntu.com/security/CVE-2013-0289

Affected software / configurations for CVE-2013-0289

Vendor Product Version Raw CPE
isync_project isync 0.4 cpe:2.3:a:isync_project:isync:0.4:*:*:*:*:*:*:*
isync_project isync 0.5 cpe:2.3:a:isync_project:isync:0.5:*:*:*:*:*:*:*
isync_project isync 0.6 cpe:2.3:a:isync_project:isync:0.6:*:*:*:*:*:*:*
isync_project isync 0.7 cpe:2.3:a:isync_project:isync:0.7:*:*:*:*:*:*:*
isync_project isync 0.8 cpe:2.3:a:isync_project:isync:0.8:*:*:*:*:*:*:*
isync_project isync 1.0.0 cpe:2.3:a:isync_project:isync:1.0.0:*:*:*:*:*:*:*
isync_project isync 1.0.1 cpe:2.3:a:isync_project:isync:1.0.1:*:*:*:*:*:*:*
isync_project isync 1.0.2 cpe:2.3:a:isync_project:isync:1.0.2:*:*:*:*:*:*:*
isync_project isync 1.0.3 cpe:2.3:a:isync_project:isync:1.0.3:*:*:*:*:*:*:*
isync_project isync 1.0.4 cpe:2.3:a:isync_project:isync:1.0.4:*:*:*:*:*:*:*
isync_project isync 1.0.5 cpe:2.3:a:isync_project:isync:1.0.5:*:*:*:*:*:*:*

References for CVE-2013-0289

cvelogic Threat Intelligence