CVE-2021-23135 Argo CD leaked secret data into error messages and logs on invalid edits via UI
Attackers can view leaked secret data in error messages and logs via the web UI when invalid edits are made.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-23135?
CVE-2021-23135 is a medium-severity vulnerability in Argoproj Argo Cd, published on 12 May 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Exposure of System Data to an Unauthorized Control Sphere vulnerability in web UI of Argo CD allows attacker to cause leaked secret data into web UI error messages and logs. This issue affects Argo CD 1.8 versions prior to 1.8.7; 1.7 versions prior to 1.7.14.
Which versions are affected by CVE-2021-23135?
1 open source package ship an affected version, including argo-cd. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
argo-cd Bitnami | From 1.7.0 | 1.7.14, 1.8.7 |
Products include Argoproj Argo Cd.
How do I fix CVE-2021-23135?
Upgrade argo-cd to a fixed version for your release line: 1.7.14 or 1.8.7.
Is CVE-2021-23135 being exploited?
There is no known exploitation of CVE-2021-23135 in the wild and no public exploit code.
Other vulnerabilities in Argoproj Argo Cd
- CVE-2025-55190 Argo CD: Project API Token Exposes Repository Credentials
- CVE-2022-29165 Argo CD will blindly trust JWT claims if anonymous access is enabled
- CVE-2023-40029 Cluster secret might leak in cluster details page in Argo CD
- CVE-2022-24768 Improper access control allows admin privilege escalation in Argo CD
- CVE-2024-21652 Argo CD vulnerable to Bypassing of Brute Force Protection via Application Crash and In-Memory Data Loss
Sources
Also known as BIT-argo-cd-2021-23135, GHSA-fp89-h8pj-8894.