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GitHub_MCVELIST:CVE-2024-21637

HistoryJan 11, 2024 - 5:49 a.m.

CVE-2024-21637 XSS in Authentik via JavaScript-URI as Redirect URI and form_post Response Mode

2024-01-1105:49:44

CWE-79

GitHub_M

www.cve.org

cve-2024-21637

authentik

cross-site scripting

openid connect

response mode

privilege escalation

patched

versions 2023.10.6

2023.8.6

CVSS3

7.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

EPSS

0.001

Percentile

27.4%

JSON

Authentik is an open-source Identity Provider. Authentik is a vulnerable to a reflected Cross-Site Scripting vulnerability via JavaScript-URIs in OpenID Connect flows with response_mode=form_post. This relatively user could use the described attacks to perform a privilege escalation. This vulnerability has been patched in versions 2023.10.6 and 2023.8.6.

CNA Affected

[
  {
    "vendor": "goauthentik",
    "product": "authentik",
    "versions": [
      {
        "version": "<= 2023.10.5",
        "status": "affected"
      },
      {
        "version": "<= 2023.8.5",
        "status": "affected"
      }
    ]
  }
]

References

github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6

github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6

github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j

CVSS3

7.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

EPSS

0.001

Percentile

27.4%

JSON

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