6.5

CVE-2018-13796: gnu mailman Improper Input Validation

CVSS: 6.5v3.0MediumModified
AliasesMGASA-2018-0383GHSA-xqvg-xm9m-p2c4PYSEC-2026-661
Published 12-07-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-13796 is a medium (CVSS 6.5) Improper Input Validation vulnerability in gnu mailman. EPSS estimates a 2.54% chance of exploitation in the next 30 days, higher than 84.7% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
2.54%
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 5 · Related 3
DLA-1442-1RHSA-2020:1054SUSE-SU-2018:4296-1SUSE-SU-2019:13924-1USN-4348-1

Timeline

  1. 12-07-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in GNU Mailman before 2.1.28. A crafted URL can cause arbitrary text to be displayed on a web page from a trusted site.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.54%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

0.00 pp

From 2.54% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.54%

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

Gnu1 product
Mageia1 product
  • mailman< 2.1.29-1.mga6
PyPI1 product
  • mailman< 2.1.28
Ubuntu1 product
  • mailman< 1:2.1.20-1ubuntu0.4 | < 1:2.1.26-1ubuntu0.1

4 vendors · 4 products

References

17 links
Show all 17 references