CVE-2021-3557: argoproj argo_cd
Vulnerability summary
CVE-2021-3557 is a medium (CVSS 6.5) vulnerability in argoproj argo_cd. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.6% of scored vulnerabilities.
Timeline
- 16-02-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A flaw was found in argocd. Any unprivileged user is able to deploy argocd in their namespace and with the created ServiceAccount argocd-argocd-server, the unprivileged user is able to read all resources of the cluster including all secrets which might enable privilege escalations. The highest threat from this vulnerability is to data confidentiality.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.76%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
0.00 pp
From 0.76% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Argoproj1 product
- argo_cd< 1.1.1
Redhat1 product
2 vendors · 2 products