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.
CVSS score
7.5/10
010
High · v2.0 (NVD)EPSS score
6.86%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 5 · Related 1Timeline
- 24-12-2014PublishedVulnerability first disclosed.
- 08-08-2024Last 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 versionHigh 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
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 score6.86%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugs.debian.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Bsd_mailx_project1 product
- bsd_mailx≤ 8.1.2
Debian1 product
- bsd-mailx< 8.1.2-0.20071201cvs-1
Heirloom1 product
- mailx≤ 12.5
Oracle1 product
- linuxEOL6 | 7
Redhat1 product
- enterprise_linuxEOL6.0 | 7.0
Ubuntu1 product
- heirloom-mailx< 12.5-2+deb7u1build0.14.04.1
6 vendors · 6 products
References
12 links- linux.oracle.com/errata/ELSA-2014-1999.htmlX Refsource CONFIRM