What is CVE-2021-45489?

CVE-2021-45489 is a high-severity vulnerability in Netbsd, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 7.5/10. Published 2021-12-25.

How severe is CVE-2021-45489?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Netbsd

CVE-2021-45489

In NetBSD through 9.2, the IPv6 Flow Label generation algorithm employs a weak cryptographic PRNG.

EPSS: 0.010 (58.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Netbsd
N/a — versions n/a

Weakness classification (CWE)

CWE-338 — Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

cve@mitre.org (Technical Description, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-45489?: CVE-2021-45489 is a high-severity vulnerability in Netbsd, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 7.5/10. Published 2021-12-25.
How severe is CVE-2021-45489?: High severity. CVSS v3 base score is 7.5 out of 10.