CVE-2011-2780

Exp

Directory traversal vulnerability in includes/lib/gz.php in Chyrp 2.0 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the file parameter, a different vulnerability than CVE-2011-2744.

Published: 2011-07-19 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-2780 is rated High Exploit Risk (67/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.89%). Core evidence: 5 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.20% 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-2011-2780

EDB-ID Source Kind Published Link
35946 exploit_db edb 2011-07-29 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-2780

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 2026-01-15 2.69% 3.89% +1.20%
2 2025-11-05 5.86% 2.69% -3.17%
3 2025-08-23 5.86%

Full EPSS history (19 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2780

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2011-2780

Affected software / configurations for CVE-2011-2780

Vendor Product Version Raw CPE
chyrp chyrp <= 2.0 cpe:2.3:a:chyrp:chyrp:*:*:*:*:*:*:*:*

References for CVE-2011-2780

cvelogic Threat Intelligence