CVEvulnerability
CVE-2021-45489
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-12-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-338
Description
In NetBSD through 9.2, the IPv6 Flow Label generation algorithm employs a weak cryptographic PRNG.
Affected configurations
• netbsd netbsd (<= 9.2)
Related
Weakness · CWE (1)
- CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) weakness
References
- http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2021-001.txt.asc Vendor Advisory
- 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 Vendor Advisory
- https://arxiv.org/pdf/2112.09604.pdf Technical Description, Third Party Advisory