CVE-2009-2261

Exp

PeaZIP 2.6.1, 2.5.1, and earlier on Windows allows user-assisted remote attackers to execute arbitrary commands via a .zip archive with a .txt file whose name contains | (pipe) characters and a command.

Published: 2009-06-30 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-2261 is rated High Exploit Risk (81.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 41.42%, 98th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). 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-2009-2261

EDB-ID Source Kind Published Link
16307 exploit_db edb 2010-09-20 Exploit-DB ↗
8881 exploit_db edb 2009-06-05 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-2261

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 70.59% 41.42% -29.17%
2 2025-03-30 70.49% 70.59% +0.10%
3 2025-03-29 — 70.49% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2261

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2009-2261

Affected software / configurations for CVE-2009-2261

Vendor Product Version Raw CPE
giorgio_tani peazip <= 2.5.1 cpe:2.3:a:giorgio_tani:peazip:*:-:windows:*:*:*:*:*
giorgio_tani peazip 1.0 cpe:2.3:a:giorgio_tani:peazip:1.0:-:windows:*:*:*:*:*
giorgio_tani peazip 1.1 cpe:2.3:a:giorgio_tani:peazip:1.1:-:windows:*:*:*:*:*
giorgio_tani peazip 1.2 cpe:2.3:a:giorgio_tani:peazip:1.2:-:windows:*:*:*:*:*
giorgio_tani peazip 1.3 cpe:2.3:a:giorgio_tani:peazip:1.3:-:windows:*:*:*:*:*
giorgio_tani peazip 1.4 cpe:2.3:a:giorgio_tani:peazip:1.4:-:windows:*:*:*:*:*
giorgio_tani peazip 1.5 cpe:2.3:a:giorgio_tani:peazip:1.5:-:windows:*:*:*:*:*
giorgio_tani peazip 1.6 cpe:2.3:a:giorgio_tani:peazip:1.6:-:windows:*:*:*:*:*
giorgio_tani peazip 1.7 cpe:2.3:a:giorgio_tani:peazip:1.7:-:windows:*:*:*:*:*
giorgio_tani peazip 1.8 cpe:2.3:a:giorgio_tani:peazip:1.8:-:windows:*:*:*:*:*
giorgio_tani peazip 1.8.1 cpe:2.3:a:giorgio_tani:peazip:1.8.1:-:windows:*:*:*:*:*
giorgio_tani peazip 1.8.2 cpe:2.3:a:giorgio_tani:peazip:1.8.2:-:windows:*:*:*:*:*
giorgio_tani peazip 1.9 cpe:2.3:a:giorgio_tani:peazip:1.9:-:windows:*:*:*:*:*
giorgio_tani peazip 1.9.1 cpe:2.3:a:giorgio_tani:peazip:1.9.1:-:windows:*:*:*:*:*
giorgio_tani peazip 1.9.2 cpe:2.3:a:giorgio_tani:peazip:1.9.2:-:windows:*:*:*:*:*
giorgio_tani peazip 1.9.3 cpe:2.3:a:giorgio_tani:peazip:1.9.3:-:windows:*:*:*:*:*
giorgio_tani peazip 1.10 cpe:2.3:a:giorgio_tani:peazip:1.10:-:windows:*:*:*:*:*
giorgio_tani peazip 1.11 cpe:2.3:a:giorgio_tani:peazip:1.11:-:windows:*:*:*:*:*
giorgio_tani peazip 2.0 cpe:2.3:a:giorgio_tani:peazip:2.0:-:windows:*:*:*:*:*
giorgio_tani peazip 2.1 cpe:2.3:a:giorgio_tani:peazip:2.1:-:windows:*:*:*:*:*
giorgio_tani peazip 2.2 cpe:2.3:a:giorgio_tani:peazip:2.2:-:windows:*:*:*:*:*
giorgio_tani peazip 2.3a cpe:2.3:a:giorgio_tani:peazip:2.3a:-:windows:*:*:*:*:*
giorgio_tani peazip 2.4 cpe:2.3:a:giorgio_tani:peazip:2.4:-:windows:*:*:*:*:*
giorgio_tani peazip 2.4.1 cpe:2.3:a:giorgio_tani:peazip:2.4.1:-:windows:*:*:*:*:*
giorgio_tani peazip 2.6.1 cpe:2.3:a:giorgio_tani:peazip:2.6.1:-:windows:*:*:*:*:*

References for CVE-2009-2261

cvelogic Threat Intelligence