// For flags

CVE-2020-16150

 

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Un canal lateral de sincronización Lucky versión 13, en la función mbedtls_ssl_decrypt_buf en el archivo library/ssl_msg.c en Trusted Firmware Mbed TLS versiones hasta 2.23.0, permite a un atacante recuperar información de la clave secreta. Esto afecta al modo CBC debido a una diferencia de tiempo calculada basada en una longitud de relleno

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-07-30 CVE Reserved
  • 2020-09-02 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-203: Observable Discrepancy
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Arm
Search vendor "Arm"
Mbed Tls
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< 2.7.17
Search vendor "Arm" for product "Mbed Tls" and version " < 2.7.17"
-
Affected
Arm
Search vendor "Arm"
Mbed Tls
Search vendor "Arm" for product "Mbed Tls"
>= 2.8.0 < 2.16.8
Search vendor "Arm" for product "Mbed Tls" and version " >= 2.8.0 < 2.16.8"
-
Affected
Arm
Search vendor "Arm"
Mbed Tls
Search vendor "Arm" for product "Mbed Tls"
>= 2.17.0 < 2.24.0
Search vendor "Arm" for product "Mbed Tls" and version " >= 2.17.0 < 2.24.0"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
Fedora
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31
Search vendor "Fedoraproject" for product "Fedora" and version "31"
-
Affected
Fedoraproject
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Fedora
Search vendor "Fedoraproject" for product "Fedora"
32
Search vendor "Fedoraproject" for product "Fedora" and version "32"
-
Affected
Fedoraproject
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Fedora
Search vendor "Fedoraproject" for product "Fedora"
33
Search vendor "Fedoraproject" for product "Fedora" and version "33"
-
Affected
Debian
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Debian Linux
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10.0
Search vendor "Debian" for product "Debian Linux" and version "10.0"
-
Affected