CVE-2021-28122: open5gs
Vulnerability summary
CVE-2021-28122 is a critical (CVSS 9.8) vulnerability in open5gs. EPSS estimates a 3.96% chance of exploitation in the next 30 days, higher than 90.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 10-03-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A request-validation issue was discovered in Open5GS 2.1.3 through 2.2.x before 2.2.1. The WebUI component allows an unauthenticated user to use a crafted HTTP API request to create, read, update, or delete entries in the subscriber database. For example, new administrative users can be added. The issue occurs because Express is not set up to require authentication.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
3.96%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.96% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundOpen5Gs
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Open5gs1 product
- open5gs≥ 2.1.3, ≤ 2.2.0
1 vendor · 1 product