CVE-2021-43399
HIGH
7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
HIGH
7,8
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: complete
Description
AI Translation Available
The Yubico YubiHSM YubiHSM2 library 2021.08, included in the yubihsm-shell project, does not properly validate the length of some operations including SSH signing requests, and some data operations received from a YubiHSM 2 device.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0037
Percentile
0,6th
Updated
EPSS Score Trend (Last 90 Days)
787
Out-of-bounds Write
DraftCommon Consequences
Security Scopes Affected:
Integrity
Availability
Other
Potential Impacts:
Modify Memory
Execute Unauthorized Code Or Commands
Dos: Crash, Exit, Or Restart
Unexpected State
Applicable Platforms
Languages:
Assembly, C, C++, Memory-Unsafe
Technologies:
ICS/OT
Application
Yubihsm 2 Software Development Kit by Yubico
Version Range Affected
To
2021.08
(inclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:yubico:yubihsm_2_software_development_kit:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://blog.inhq.net/posts/yubico-yubihsm-shell-vuln3/
https://www.yubico.com/support/security-advisories/ysa-2021-04/
https://blog.inhq.net/posts/yubico-yubihsm-shell-vuln3/
https://www.yubico.com/support/security-advisories/ysa-2021-04/