CVE-2021-41411

CVE-2021-41411 is a critical-severity vulnerability in Redhat Drools 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-611.

Key facts

Description

drools <=7.59.x is affected by an XML External Entity (XXE) vulnerability in KieModuleMarshaller.java. The Validator class is not used correctly, resulting in the XXE injection vulnerability.

Frequently asked questions

What is CVE-2021-41411?
drools <=7.59.x is affected by an XML External Entity (XXE) vulnerability in KieModuleMarshaller.java. The Validator class is not used correctly, resulting in the XXE injection vulnerability.
How severe is CVE-2021-41411?
CVE-2021-41411 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-2021-41411 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41411?
CVE-2021-41411 affects Redhat Drools. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41411?
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-2021-41411 published?
CVE-2021-41411 was published on 2022-06-16 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Redhat Drools

All CVEs affecting Redhat Drools →

Other CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities

Browse all CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities →