7.5

CVE-2004-2771: bsd_mailx_project bsd_mailx Improper Input Validation

CVSS: 7.5v2.0HighModified
AliasesUBUNTU-CVE-2004-2771DEBIAN-CVE-2004-2771
Published 24-12-2014Last modified 08-08-2024

Vulnerability summary

CVE-2004-2771 is a high (CVSS 7.5) Improper Input Validation vulnerability in bsd_mailx_project bsd_mailx. EPSS estimates a 6.86% chance of exploitation in the next 30 days, higher than 93.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
6.86%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 5 · Related 1

Timeline

  1. 24-12-2014
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

The expand function in fio.c in Heirloom mailx 12.5 and earlier and BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in an email address.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

6.86%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

0.00 pp

From 6.86% on 19-09-2026

19-09-202619-10-2026
EPSS score
6.86%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugs.debian.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Bsd_mailx_project1 product
Debian1 product
  • bsd-mailx< 8.1.2-0.20071201cvs-1
Heirloom1 product
Oracle1 product
Redhat1 product
Ubuntu1 product
  • heirloom-mailx< 12.5-2+deb7u1build0.14.04.1

6 vendors · 6 products

References

12 links
Show all 12 references