Vulnerability Name:

CVE-2021-26924 (CCN-198227)

Assigned:2021-03-10
Published:2021-03-10
Updated:2021-03-18
Summary:An issue was discovered in Argo CD before 1.8.4. Browser XSS protection is not activated due to the missing XSS protection header.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2021-26924

Source: XF
Type: UNKNOWN
argocd-cve202126924-xss(198227)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/argoproj/argo-cd/compare/v1.8.3...v1.8.4

Source: CCN
Type: Argo CD GIT Repository
Missing XSS Protection Header

Source: MISC
Type: Third Party Advisory
https://github.com/argoproj/argo-cd/security/advisories/GHSA-pg99-h5gc-446r

Vulnerable Configuration:Configuration 1:
  • cpe:/a:linuxfoundation:argo-cd:*:*:*:*:*:*:*:* (Version < 1.7.12)
  • OR cpe:/a:linuxfoundation:argo-cd:*:*:*:*:*:*:*:* (Version >= 1.8.0 and < 1.8.4)

    • Configuration CCN 1:
  • cpe:/a:linuxfoundation:argo-cd:1.8.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    linuxfoundation argo-cd *
    linuxfoundation argo-cd *
    linuxfoundation argo-cd 1.8.3