Mantis before 1.1.3 does not unset the session cookie during logout, which makes it easier for remote attackers to hijack sessions.
Conclusion & alert: CVE-2008-4689 is rated Moderate Risk (60.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.49%). Core evidence: EPSS rose +1.38% over the last day, indicating growing attacker interest. 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 | 1.11% | 2.49% | +1.38% |
| 2 | 2025-03-30 | 1.53% | 1.11% | -0.42% |
| 3 | 2025-03-29 | — | 1.53% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
high | CVE-2008-4689: 1 GLSA(s) (200812-07), 1 atom(s) (www-apps/mantisbt); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-4689 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2008-4689 |
ubuntu
|
low | CVE-2008-4689 low priority: Ubuntu including 1 source packages (mantis), 11 status rows across 11 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): not-affected 6, ignored 4, released 1. | https://ubuntu.com/security/CVE-2008-4689 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mantis | mantis | <= 1.1.2 | cpe:2.3:a:mantis:mantis:*:*:*:*:*:*:*:* |
| mantis | mantis | 0.19.3 | cpe:2.3:a:mantis:mantis:0.19.3:*:*:*:*:*:*:* |
| mantis | mantis | 0.19.4 | cpe:2.3:a:mantis:mantis:0.19.4:*:*:*:*:*:*:* |
| mantis | mantis | 1.0.1 | cpe:2.3:a:mantis:mantis:1.0.1:*:*:*:*:*:*:* |
| mantis | mantis | 1.0.2 | cpe:2.3:a:mantis:mantis:1.0.2:*:*:*:*:*:*:* |
| mantis | mantis | 1.0.3 | cpe:2.3:a:mantis:mantis:1.0.3:*:*:*:*:*:*:* |
| mantis | mantis | 1.0.4 | cpe:2.3:a:mantis:mantis:1.0.4:*:*:*:*:*:*:* |
| mantis | mantis | 1.0.5 | cpe:2.3:a:mantis:mantis:1.0.5:*:*:*:*:*:*:* |
| mantis | mantis | 1.0.6 | cpe:2.3:a:mantis:mantis:1.0.6:*:*:*:*:*:*:* |
| mantis | mantis | 1.0.7 | cpe:2.3:a:mantis:mantis:1.0.7:*:*:*:*:*:*:* |
| mantis | mantis | 1.0.8 | cpe:2.3:a:mantis:mantis:1.0.8:*:*:*:*:*:*:* |
| mantis | mantis | 1.1.1 | cpe:2.3:a:mantis:mantis:1.1.1:*:*:*:*:*:*:* |