How severe is CVE-2021-37154?

CVE-2021-37154 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-37154 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37154?

CVE-2021-37154 affects Forgerock Access Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-37154?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-37154 published?

CVE-2021-37154 was published on 2021-08-25 and last updated on 2026-06-17.

CVE-2021-37154

CVE-2021-37154 is a critical-severity vulnerability in Forgerock Access Management with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-91.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-91
Affected product: Forgerock Access Management
Published: 2021-08-25
Last modified: 2026-06-17

Description

In ForgeRock Access Management (AM) before 7.0.2, the SAML2 implementation allows XML injection, potentially enabling a fraudulent SAML 2.0 assertion.

Frequently asked questions

What is CVE-2021-37154?: In ForgeRock Access Management (AM) before 7.0.2, the SAML2 implementation allows XML injection, potentially enabling a fraudulent SAML 2.0 assertion.
How severe is CVE-2021-37154?: CVE-2021-37154 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-37154 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37154?: CVE-2021-37154 affects Forgerock Access Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-37154?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-37154 published?: CVE-2021-37154 was published on 2021-08-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:forgerock:access_management:*:*:*:*:*:*:*:*

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Other CWE-91 (XML Injection) vulnerabilities

CVE-2021-4140 — Critical (CVSS 10.0): It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability…
CVE-2023-43187 — Critical (CVSS 9.8): A remote code execution (RCE) vulnerability in the xmlrpc.php endpoint of NodeBB Inc NodeBB forum software prior to…
CVE-2019-19450 — Critical (CVSS 9.8): paraparser in ReportLab before 3.5.31 allows remote code execution because start_unichar in paraparser.py evaluates…
CVE-2020-29128 — Critical (CVSS 9.8): petl before 1.68, in some configurations, allows resolution of entities in an XML document.
CVE-2020-25216 — Critical (CVSS 9.8): yWorks yEd Desktop before 3.20.1 allows code execution via an XSL Transformation when using an XML file in conjunction…
CVE-2020-11535 — Critical (CVSS 9.8): An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit…

Browse all CWE-91 (XML Injection) vulnerabilities →