cve.bz

CVE-2020-16150

5.5 mediumEPSS 0.4%

Medium (5.5). EPSS 0.4% chance of exploitation in the next 30 days.

A Lucky 13 timing side channel in mbedtls_ssl_decrypt_buf in library/ssl_msg.c in Trusted Firmware Mbed TLS through 2.23.0 allows an attacker to recover secret key information. This affects CBC mode because of a computed time difference based on a padding length.

Severity

CVSS 3.1

5.5 medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)
CWE
CWE-203
Published
Modified
Record from
the NVD, synced

Affected

References

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