CVE-2021-4201
Pre-authentication session hijacking
Missing access control in ForgeRock Access Management 7.1.0 and earlier versions on all platforms allows remote unauthenticated attackers to hijack sessions, including potentially admin-level sessions. This issue affects: ForgeRock Access Management 7.1 versions prior to 7.1.1; 6.5 versions prior to 6.5.4; all previous versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Pre-authentication session hijacking
Missing access control in ForgeRock Access Management 7.1.0 and earlier versions on all platforms allows remote unauthenticated attackers to hijack sessions, including potentially admin-level sessions. This issue affects: ForgeRock Access Management 7.1 versions prior to 7.1.1; 6.5 versions prior to 6.5.4; all previous versions.
- Record
CVE-2021-4201- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2021-34059
Missing access control in ForgeRock Access Management 7.1.0 and earlier versions on all platforms allows remote unauthenticated attackers to hijack sessions, including potentially admin-level sessions. This issue affects: ForgeRock Access Management 7.1 versions prior to 7.1.1; 6.5 versions prior to 6.5.4; all previous versions.
- Record
EUVD-2021-34059- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-63v3-hpf5-wfmw No score
Missing access control in ForgeRock Access Management 7.1.0 and earlier versions on all platforms...
Missing access control in ForgeRock Access Management 7.1.0 and earlier versions on all platforms allows remote unauthenticated attackers to hijack sessions, including potentially admin-level sessions. This issue affects: ForgeRock Access Management 7.1 versions prior to 7.1.1; 6.5 versions prior to 6.5.4; all previous versions.
- Record
GHSA-63v3-hpf5-wfmw- Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
Missing access control in ForgeRock Access Management 7.1.0 and earlier versions on all platforms allows remote unauthenticated attackers to hijack sessions, including potentially admin-level sessions. This issue affects: ForgeRock Access Management 7.1 versions prior to 7.1.1; 6.5 versions prior to 6.5.4; all previous versions.
- Record
CVE-2021-4201- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-284, CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-4201 is a critical vulnerability (CVSS 9.6) in Forgerock Access Management, published February 14, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.99%, the 80th percentile. No source names a fixed version.