Medium severity5.5NVD Advisory· Published Sep 2, 2020· Updated Jun 17, 2026
CVE-2020-16150
CVE-2020-16150
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- Mbed TLS/Mbed TLSdescription
- Range: <=2.23.0
Patches
Vulnerability mechanics
References
6- lists.debian.org/debian-lts-announce/2022/12/msg00036.htmlnvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5OSOFUD6UTGTDDSQRS62BPXDU52I6PUA/nvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IRPBHCQKZXHVKOP5O5EWE7P76AWGUXQJ/nvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD3NM6GD73CTFFRBKG5G2ACXGG7QQHCC/nvdMailing ListThird Party Advisory
- tls.mbed.org/tech-updates/security-advisoriesnvdVendor Advisory
- tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-1nvdVendor Advisory
News mentions
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