6.8

CVE-2014-2957: exim Improper Input Validation

CVSS: 6.8v2.0MediumModified
AliasesUBUNTU-CVE-2014-2957DEBIAN-CVE-2014-2957
Published 04-09-2014Last modified 06-08-2024

Vulnerability summary

CVE-2014-2957 is a medium (CVSS 6.8) Improper Input Validation vulnerability in exim. EPSS estimates a 5.29% chance of exploitation in the next 30 days, higher than 92.5% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
5.29%
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 · Related 1

Timeline

  1. 04-09-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The dmarc_process function in dmarc.c in Exim before 4.82.1, when EXPERIMENTAL_DMARC is enabled, allows remote attackers to execute arbitrary code via the From header in an email, which is passed to the expand_string function.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

5.29%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

0.00 pp

From 5.29% on 21-09-2026

21-09-202621-10-2026
EPSS score
5.29%

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
  • exim4< 4.82.1-1
Exim1 product
  • eximEOL≤ 4.82 | 4.00 | 4.01 | 4.02 | 4.03 | 4.04 | 4.05 | 4.10 | 4.11 | 4.12 | 4.14 | 4.20 | 4.21 | 4.22 | 4.23 | 4.24 | 4.30 | 4.31 | 4.32 | 4.33 | 4.34 | 4.40 | 4.41 | 4.42 | 4.43 | 4.44 | 4.50 | 4.51 | 4.52 | 4.53 | 4.54 | 4.60 | 4.61 | 4.62 | 4.63 | 4.64 | 4.65 | 4.66 | 4.67 | 4.68 | 4.69 | 4.70 | 4.71 | 4.72 | 4.73 | 4.74 | 4.75 | 4.76 | 4.77 | 4.80 | 4.80.1
Ubuntu1 product
  • exim4All versions (No fix recorded)

3 vendors · 3 products

References

7 links