5.9

CVE-2013-7440: python Data Processing Errors

CVSS: 5.9v3.0MediumModified
AliasesSUSE-SU-2015:1298-1SUSE-SU-2015:1651-1DEBIAN-CVE-2013-7440
Published 07-06-2016Last modified 06-08-2024

Vulnerability summary

CVE-2013-7440 is a medium (CVSS 5.9) Data Processing Errors vulnerability in python. EPSS estimates a 1.88% chance of exploitation in the next 30 days, higher than 79% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.0 (NVD)
EPSS score
1.88%
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 2

Timeline

  1. 07-06-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The ssl.match_hostname function in CPython (aka Python) before 2.7.9 and 3.x before 3.3.3 does not properly handle wildcards in hostnames, which might allow man-in-the-middle attackers to spoof servers via a crafted certificate.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.88%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

0.00 pp

From 1.88% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.88%

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

Suse9 products
  • python-setuptools&distro=SUSE Cloud Compute Node for SUSE Linux Enterprise 12 5< 1.1.7-7.1
  • python-setuptools&distro=SUSE Enterprise Storage 1.0< 1.1.7-7.1
  • python-setuptools&distro=SUSE Linux Enterprise Desktop 11 SP3< 0.6c11-6.1
  • python-setuptools&distro=SUSE Linux Enterprise Desktop 11 SP4< 0.6c11-6.1
  • python-setuptools&distro=SUSE Linux Enterprise Module for Containers 12< 1.1.7-7.1
Debian1 product
  • python2.7< 2.7.9-1
Python1 product
  • pythonEOL≤ 2.7.8 | 3.0 | 3.0.1 | 3.1 | 3.1.1 | 3.1.2 | 3.1.3 | 3.1.4 | 3.1.5 | 3.1.2150 | 3.2 | 3.2:alpha | 3.2.0 | 3.2.1 | 3.2.2 | 3.2.3 | 3.2.4 | 3.2.5 | 3.2.6 | 3.2.2150 | 3.3 | 3.3:beta2 | 3.3.0 | 3.3.1 | 3.3.1:rc1 | 3.3.2

3 vendors · 11 products

References

12 links
Show all 12 references