CVE-2016-2850

high-risk
Published 2016-05-13

Botan 1.11.x before 1.11.29 does not enforce TLS policy for (1) signature algorithms and (2) ECC curves, which allows remote attackers to conduct downgrade attacks via unspecified vectors.

Do I need to act?

-
0.43% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Botan Project Fedoraproject

References (8)

Vendor Advisory http://botan.randombit.net/security.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183669.html
Vendor Advisory http://marc.info/?l=botan-devel&m=145852488622892&w=2
https://security.gentoo.org/glsa/201701-23
Vendor Advisory http://botan.randombit.net/security.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183669.html
Vendor Advisory http://marc.info/?l=botan-devel&m=145852488622892&w=2
https://security.gentoo.org/glsa/201701-23
50
/ 100
high-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 22/34 · High