VULNERABILITY INTELLIGENCE

CVE-2021-34558

CVSS score6.5 MEDIUM
EPSS probability6.98%
CISA KEVNot currently listed
Published2021-07-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

The crypto/tls package of Go through 1.16.5 does not properly assert that the type of public key in an X.509 certificate matches the expected type when doing a RSA based key exchange, allowing a malicious TLS server to cause a TLS client to panic.

Weakness classification

  • nvd@nist.gov: CWE-295

Primary references