Vulnerability in Botan_project Botan

CVE-2015-7826

botan 1.11.x before 1.11.22 improperly handles wildcard matching against hostnames, which might allow remote attackers to have unspecified impact via a valid X.509 certificate, as demonstrated by accepting *.example.com as a match for bar…

Vulnerability class: Improper Certificate Validation

EPSS: 0.004 (62.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (x_refsource_CONFIRM, VDB Entry, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2015-7826?
CVE-2015-7826 is a critical-severity vulnerability in Botan_project Botan, classified under Improper Certificate Validation. CVSS score: 9.8/10. Published 2017-04-10.
How severe is CVE-2015-7826?
Critical severity. CVSS v3 base score is 9.8 out of 10.