01 Record
CVE-2021-45487
In NetBSD through 9.2, the IPv4 ID generation algorithm does not use appropriate cryptographic measures.
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
In NetBSD through 9.2, the IPv4 ID generation algorithm does not use appropriate cryptographic measures.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.99% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 62.5% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-12-25 01:04Z4 YR AGO
- Last updated
- 2024-08-04 04:39Z2 YR AGO
- Reserved
- 2021-12-25
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-330Use of Insufficiently Random ValuesClass
- Data version
- 5.1
- Document digest
- a69d18db3434caec59d80058631033198194e60b3af002a9c719fdd7bd1d342d
05 Affected products
VendorProductVersionsPlatforms