CVE-2021-45484

HIGH
Published Dec 25, 20214y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Dec 25, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

In NetBSD through 9.2, the IPv6 fragment ID generation algorithm employs a weak cryptographic PRNG.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
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 Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-338

Affected Products 1

VendorProductVersionRange
netbsdnetbsd* ≤9.2

References 2

  • ftp.netbsd.org http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2021-001.txt.asc
    Vendor Advisory
  • arxiv.org https://arxiv.org/pdf/2112.09604.pdf
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.