Directory traversal vulnerability in GNU Mailman before 2.1.20, when not using a static alias, allows remote attackers to execute arbitrary files via a .. (dot dot) in a list name.
Conclusion & alert: CVE-2015-2775 is rated High Exploit Risk (80.2/100): CVSS High severity, with high exploitation likelihood (EPSS 6.69%, 91th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.89% over the last day, indicating growing attacker interest. 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 | 2026-05-13 | 3.80% | 6.69% | +2.89% |
| 2 | 2026-03-04 | 1.44% | 3.80% | +2.36% |
| 3 | 2026-03-01 | — | 1.44% | — |
Full EPSS history (47 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.6 | 2.0 | HIGH |
|
4.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2015-2775 |
suse
|
medium | CVE-2015-2775 severity moderate: SUSE including 6 source package names (mailman, mailman-2.1.15-21.el7_1, mailman-2.1.15-9.6.6.1, mailman-2.1.17-3.3.3, mailman-2.1.17-3.8.1, mailman-2.1.23-1.2), 26 product×package rows across 26 product lines (SUSE Enterprise Storage 4, SUSE Liberty Linux 7, … (26 product lines)): Fixed 25, Known Not Affected 1. | https://www.suse.com/security/cve/CVE-2015-2775/ |
ubuntu
|
medium | CVE-2015-2775 medium priority: Ubuntu including 1 source packages (mailman), 5 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 3, ignored 1, needed 1. | https://ubuntu.com/security/CVE-2015-2775 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.10 | cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* |
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 7.0 | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
| gnu | mailman | <= 2.1.19 | cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:* |