Security readout for executives and security teams
Plain-English summary
This is a low-severity Argo CD XSS affecting only SSO-enabled deployments in specific 2.3.x and 2.4.x versions. Exploitation requires the attacker to already possess the API server encryption key, plant a browser cookie, and persuade a user to open a malicious callback link.
Executive priority
This is not a broad emergency based on supplied evidence, but affected SSO-enabled Argo CD systems should be upgraded. If the encryption key may be exposed, handle that as a higher-priority security incident.
Technical view
CVE-2022-31102 is CWE-79 in Argo CD's /auth/callback page. A successful attack could run attacker-controlled JavaScript in a victim's browser and impersonate that user, but the advisory notes the required encryption key already grants substantial access.
Likely exposure
Exposure is limited to argoproj argo-cd versions 2.3.0 through 2.3.5 and 2.4.0 through 2.4.4 with SSO enabled. Non-SSO deployments are not described as affected in the supplied sources.
Exploitation context
The supplied data does not show known active exploitation or KEV listing. Practical exploitation is constrained by high prerequisites: API server encryption key access, cookie placement in the victim browser, and user interaction with a malicious callback link.
Researcher notes
Key constraints matter: the XSS has high attack complexity, high required privileges, and user interaction. The advisory frames impact as limited incremental privilege because encryption key access already enables substantial control. No exploit status beyond non-KEV is provided.
Mitigation direction
- Upgrade affected 2.3.x deployments to Argo CD 2.3.6 or later.
- Upgrade affected 2.4.x deployments to Argo CD 2.4.5 or later.
- If immediate upgrade is not possible, consult current Argo CD vendor guidance.
- Treat suspected API server encryption key exposure as a broader credential incident.
- Note that the advisory states there is no known workaround.
Validation and detection
- Inventory Argo CD versions across clusters and environments.
- Confirm whether SSO is enabled on each Argo CD instance.
- Identify any deployments running 2.3.0-2.3.5 or 2.4.0-2.4.4.
- Review access controls and exposure for Argo CD API/UI endpoints.
- Investigate any evidence that API server encryption keys were exposed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupContainer behavior lookup
The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-31102 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 2.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:L/A:N11.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
2.6LowVector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/argoproj/argo-cd/releases/tag/v2.3.6CVE reference · x_refsource_MISC
- https://github.com/argoproj/argo-cd/releases/tag/v2.4.5CVE reference · x_refsource_MISC
- https://github.com/argoproj/argo-cd/security/advisories/GHSA-pmjg-52h9-72qvCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.