CVE-2021-24115

moderate-risk
Published 2021-02-22

In Botan before 2.17.3, constant-time computations are not used for certain decoding and encoding operations (base32, base58, base64, and hex).

Do I need to act?

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0.71% 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
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Botan Project

References (6)

Release Notes https://botan.randombit.net/news.html
Patch https://github.com/randombit/botan/compare/2.17.2...2.17.3
Patch https://github.com/randombit/botan/pull/2549
Release Notes https://botan.randombit.net/news.html
Patch https://github.com/randombit/botan/compare/2.17.2...2.17.3
Patch https://github.com/randombit/botan/pull/2549
39
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal