5.9

CVE-2013-2255: debian debian_linux Improper Certificate Validation

CVSS: 5.9v3.1MediumModified
AliasesGHSA-qh2x-hpf9-cf2gPYSEC-2026-2413PYSEC-2026-2677
Published 01-11-2019Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2013-2255 is a medium (CVSS 5.9) Improper Certificate Validation vulnerability in debian debian_linux. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.2% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.1 (NVD)
EPSS score
0.97%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-11-2019
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.97%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

0.00 pp

From 0.97% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.97%

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

PyPI4 products
  • cinder< 7.0.0a0
  • keystone< 8.0.0a0
  • neutron< 7.0.0a0
  • python-keystoneclient< 0.4.0
Debian2 products
Openstack2 products
Redhat1 product

4 vendors · 9 products

References

18 links
Show all 18 references