CVE-2015-2775

Exp

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.

Published: 2015-04-13 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

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.

Public exploit references (Exploit-DB) for CVE-2015-2775

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-2775

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-2775

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.6 2.0 HIGH
AV:N/AC:H/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
4.9 10.0 [email protected]

Weakness enumeration for CVE-2015-2775

OS Trackers for CVE-2015-2775

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

Affected software / configurations for 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:*:*:*:*:*:*:*:*

References for CVE-2015-2775

cvelogic Threat Intelligence