Pre-authentication session hijacking

published 2022-02-14 4y ago modified 2026-06-17 4mo ago also EUVD-2021-34059

cvss: 9.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 1

ForgeRock Access Management 6.5.4, 7.1.1

backstage.forgerock.com/knowledge/kb/article/a50037155#x7ZPA0 advisory

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Exploit prediction

1.99% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

ForgeRock Access Management

Classification

Weakness

CWE-284 Improper Access Control
CWE-287 Improper Authentication

References

backstage.forgerock.com /knowledge/kb/article/a50037155#x7ZPA0
patch, vendor-advisory

Sources

CVE List CVE-2021-4201
NVD CVE-2021-4201

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