7.5

CVE-2021-45462: open5gs

CVSS: 7.5v3.1HighModified
Published 23-12-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-45462 is a high (CVSS 7.5) vulnerability in open5gs. EPSS estimates a 4.59% chance of exploitation in the next 30 days, higher than 91.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
4.59%
0%100%
Low · +0.18 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

4.59%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

+0.18 pp

From 4.41% on 19-09-2026

19-09-202619-10-2026
EPSS score
4.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Open5gs1 product

1 vendor · 1 product

References

2 links