CVE-2021-29156

HIGH
Published Mar 25, 20215y ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Mar 25, 2021 5y ago
Last Modified Jun 17, 2026 1w ago

Description

ForgeRock OpenAM before 13.5.1 allows LDAP injection via the Webfinger protocol. For example, an unauthenticated attacker can perform character-by-character retrieval of password hashes, or retrieve a session token or a private key.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-74

Affected Products 1

VendorProductVersionRange
forgerockopenam* <13.5.1

References 2

  • bugster.forgerock.org https://bugster.forgerock.org/jira/browse/OPENAM-10135
    ExploitPatchVendor Advisory
  • portswigger.net https://portswigger.net/research/hidden-oauth-attack-vectors
    ExploitThird Party Advisory

Remediation

  • bugster.forgerock.org https://bugster.forgerock.org/jira/browse/OPENAM-10135
    ExploitPatchVendor Advisory