Is CVE-2021-23926 in the CISA KEV catalog?

No. CVE-2021-23926 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-23926?

CVE-2021-23926 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2021-23926?

CVE-2021-23926 has an EPSS score of 6.27% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-23926?

Upgrade xmlbeans on debian 11 to 3.0.2-1 or later.

CVE & CISA-KEV Catalog

CVE-2021-23926

CRITICALEPSS 93th pctl

9.1

CVSS v3

NVD

Description

The XML parsers used by XMLBeans up to version 2.6.0 did not set the properties needed to protect the user from malicious XML input. Vulnerabilities include possibilities for XML Entity Expansion attacks. Affects XMLBeans up to and including v2.6.0.

CWE-776

How to fix

Remediation Available

xmlbeansDebian

Fixed in:3.0.2-1CVE-2021-23926

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Exploit Intelligence

6.27%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Patch2

Vendor Advisory2

Third-Party Advisory2

Other references2

Embed a live status badge for CVE-2021-23926

Markdown

[![CVE-2021-23926](https://tridentstack.com/cve/badge/CVE-2021-23926.svg)](https://tridentstack.com/cve/CVE-2021-23926)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-23926"><img src="https://tridentstack.com/cve/badge/CVE-2021-23926.svg" alt="CVE-2021-23926"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.