6.5

CVE-2017-7509: red hat certificate system Improper Input Validation

CVSS: 6.5v3.0MediumModified
AliasesRHSA-2017:2560
Published 26-07-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-7509 is a medium (CVSS 6.5) Improper Input Validation vulnerability in red hat certificate system. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.2% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.73%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-07-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An input validation error was found in Red Hat Certificate System's handling of client provided certificates before 8.1.20-1. If the certreq field is not present in a certificate an assertion error is triggered causing a denial of service.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.73%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

-0.01 pp

From 0.73% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.73%

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

Redhat10 products
  • certificate_system< 8.1.20-1
  • pki-ca< 0:8.1.9-2.el5pki
  • pki-common< 0:8.1.20-1.el5pki
  • pki-common-javadoc< 0:8.1.20-1.el5pki
  • pki-kra< 0:8.1.7-2.el5pki
Red hat1 product

2 vendors · 11 products

References

9 links