CVE-2021-45488

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
In NetBSD through 9.2, there is an information leak in the TCP ISN (ISS) generation algorithm.
Overview
  • CVE ID
  • CVE-2021-45488
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-12-25T02:15:06
  • Last Modified Date
  • 2022-01-10T19:40:14
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:* 1 OR 9.2
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://arxiv.org/pdf/2112.09604.pdf Technical Description Third Party Advisory
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2021-001.txt.asc Patch Vendor Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 06:37:54 Added to TrackCVE
2022-12-06 04:50:18 2021-12-25T02:15Z 2021-12-25T02:15:06 CVE Published Date updated
2022-12-06 04:50:18 2022-01-10T19:40:14 CVE Modified Date updated
2022-12-06 04:50:18 Analyzed Vulnerability Status updated