What is CVE-2009-2261?

CVE-2009-2261 is a vulnerability in Giorgio Tani Peazip, classified under Improper Input Validation. Published 2009-06-30.

Is CVE-2009-2261 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Giorgio Tani Peazip

CVE-2009-2261

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2009-06-30 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.414 (98.6th percentile), scored 2026-10-02.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.414 · newest: 0.414 · change: 0.000

Affected products

Giorgio Tani Peazip — versions 1.0, 1.1, 1.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

rapid7/metasploit-framework

References

www.exploit-db.com/exploits/8881 (exploit)

Frequently asked questions

What is CVE-2009-2261?: CVE-2009-2261 is a vulnerability in Giorgio Tani Peazip, classified under Improper Input Validation. Published 2009-06-30.
Is CVE-2009-2261 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.