VDB
ALPINE-CVE-2020-16150
ALPINE-CVE-2020-16150
PUBLISHED
CVSS 5.5 MEDIUM
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.
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.15 | mbedtls | 0, 0, 2.7.0-r0 |
| Alpine:v3.14 | mbedtls | 2.4.1-r0, 2.16.1-r0, 2.2.0-r0 |
| Alpine:v3.23 | mbedtls | 2.7.0-r0, 2.6.1-r0, 2.6.0-r0 |
| Alpine:v3.19 | mbedtls | 2.4.2-r0, 0, 2.1.2-r0 |
| Alpine:v3.21 | mbedtls | 0, 2.0.0-r0, 2.1.2-r0 |
| Alpine:v3.17 | mbedtls | 0, 0, 2.7.0-r0 |
| Alpine:v3.20 | mbedtls | 2.16.1-r0, 2.12.0-r0, 0 |
| Alpine:v3.13 | mbedtls | 2.1.2-r0, 2.11.0-r0, 2.12.0-r0 |
| Alpine:v3.18 | mbedtls | 0, 2.7.0-r0, 0 |
| Alpine:v3.24 | mbedtls | 0, 0 |
| Alpine:v3.16 | mbedtls | 2.1.2-r0, 0, 0 |
| Alpine:v3.12 | mbedtls | 2.2.0-r1, 2.0.0-r0, 2.14.1-r0 |
| Alpine:v3.11 | mbedtls | 0, 0, 0 |
| Alpine:v3.10 | mbedtls | 0, 0, 2.7.0-r0 |
| Alpine:v3.22 | mbedtls | 2.1.2-r0, 2.16.6-r0, 2.2.0-r0 |
Timeline
- Sep 2, 2020 CVE Published
- Apr 30, 2026 Distribution Patch
- Jun 15, 2026 CVE Updated