CVE-2021-45462

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

4.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 91.5% 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:N/I:N/A:H

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.

Published

2021-12-23 00:00Z4 YR AGO

Last updated

2024-08-04 04:39Z2 YR AGO

Reserved

2021-12-23

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N

Weaknesses

• CWE-1284Improper Validation of Specified Quantity in InputBase

Data version

5.1

Document digest

f1c183f890deb14343a7a3c2c98704aeaa2d62a22f400892a21b4d6b03fd8ea4

• github.comhttps://github.com/open5gs/open5gs/commit/a0f2535cb5a29bba6dbbccdb90c74ccd770cc700
• www.trendmicro.comhttps://www.trendmicro.com/en_us/research/23/i/attacks-on-5g-infrastructure-from-users-devices.html