CVE-2021-45488

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-45488
In NetBSD through 9.2, there is an information leak in the TCP ISN (ISS) generation algorithm.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References
Link Resource
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2021-001.txt.asc Patch Vendor Advisory
https://arxiv.org/pdf/2112.09604.pdf Technical Description Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
History

08 Aug 2023, 14:22

Type Values Removed Values Added
CWE CWE-327 CWE-330

10 Jan 2022, 19:40

Type Values Removed Values Added
First Time Netbsd netbsd
Netbsd
CWE CWE-327
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
References (MISC) https://arxiv.org/pdf/2112.09604.pdf - (MISC) https://arxiv.org/pdf/2112.09604.pdf - Technical Description, Third Party Advisory
References (MISC) http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2021-001.txt.asc - (MISC) http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2021-001.txt.asc - Patch, Vendor Advisory
CPE cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*

25 Dec 2021, 02:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-12-25 02:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-45488

Mitre link : CVE-2021-45488

CVE.ORG link : CVE-2021-45488

JSON object : View

Products Affected

netbsd

  • netbsd
CWE
CWE-330

Use of Insufficiently Random Values