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.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| 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 |
| 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:*:*:*:*:*:*:* |