GHSA-jm72-67rm-763j · Severity: high · Ecosystem: composer — MantisBT Insufficient Session Expiration cookie string not reset after logout
An issue was discovered in MantisBT before 2.24.5. It associates a unique cookie string with each user. This string is not reset upon logout (i.e., the user session is still considered valid and active), allowing an attacker who somehow gained access to a user's cookie to login as them.
Conclusion & alert: CVE-2009-20001 is rated High Exploit Risk (67.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.90%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 0.14% | 0.90% | +0.75% |
| 2 | 2025-03-30 | 0.27% | 0.14% | -0.13% |
| 3 | 2025-03-29 | — | 0.27% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.8 | 5.2 | [email protected] |
| 5.5 | 2.0 | MEDIUM |
|
8.0 | 4.9 | [email protected] |
GHSA-jm72-67rm-763j · Severity: high · Ecosystem: composer — MantisBT Insufficient Session Expiration cookie string not reset after logout
| URL | Tags |
|---|---|
| https://mantisbt.org/bugs/view.php?id=11296 | Issue Tracking Vendor Advisory |
| https://mantisbt.org/bugs/view.php?id=27976 | Exploit Issue Tracking Vendor Advisory |