7.5

CVE-2012-5534: flashtux weechat Improper Input Validation

CVSS: 7.5v2.0HighModified
AliasesDEBIAN-CVE-2012-5534
Published 03-12-2012Last modified 06-08-2024

Vulnerability summary

CVE-2012-5534 is a high (CVSS 7.5) Improper Input Validation vulnerability in flashtux weechat. EPSS estimates a 4.44% chance of exploitation in the next 30 days, higher than 91.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
4.44%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 03-12-2012
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The hook_process function in the plugin API for WeeChat 0.3.0 through 0.3.9.1 allows remote attackers to execute arbitrary commands via shell metacharacters in a command from a plugin, related to "shell expansion."

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.44%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.44% on 21-09-2026

21-09-202621-10-2026
EPSS score
4.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • weechat< 0.3.9.2-1
Flashtux1 product
  • weechat0.3.0 | 0.3.1 | 0.3.1.1 | 0.3.2 | 0.3.3 | 0.3.4 | 0.3.6 | 0.3.7 | 0.3.8 | 0.3.9 | 0.3.9.1

2 vendors · 2 products

References

15 links
Show all 15 references