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CVE-2021-23135

Argo CD leaked secret data into error messages and logs on invalid edits via UI

MEDIUM
5.5
CVSS Score
Published: May 12, 2021 at 10:45 PM UTC
Updated: June 17, 2026 at 03:38 AM UTC
2 products affected across 2 vendorsArgo CDArgo CD

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Argo CD· Argoprojgo
95%
1.7.0 ≤ v < 1.7.141.8.0 ≤ v < 1.8.7
Affected range stops below 1.7.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.8.7, so it looks safe — our inference, not a vendor statement
Argo CD· Argo Cd
60%
1.7 ≤ v < 1.7.141.8 ≤ v < 1.8.71.71.8
Affected range stops below 1.7.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.8.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/argoproj/argo-cd/security/advisories/GHSA-fp89-h8pj-8894

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-497CWE-209

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