SARA / Free Tools / CVE / CVE-2023-49733

CVE-2023-49733 — Improper Restriction of XML External Entity Reference vulnerability in Apache Co

Improper Restriction of XML External Entity Reference vulnerability in Apache Cocoon.This issue affects Apache Cocoon: from 2.2.0 before 2.3.0.

CVSS

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EPSS

0.48% (top 35.20%)

CWE

CWE-611

Published

2023-11-30T11:29:35.188Z

Last modified

2025-02-13T17:18:53.184Z

CVSS vector

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01What is this vulnerability?

Improper Restriction of XML External Entity Reference vulnerability in Apache Cocoon.This issue affects Apache Cocoon: from 2.2.0 before 2.3.0.

Vendor	Product	Versions
Apache Software Foundation	Apache Cocoon	2.2.0

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

lists.apache.org — https://lists.apache.org/thread/t87nntzt6dxw354zbqr9k7l7o1x8gq11
www.openwall.com — http://www.openwall.com/lists/oss-security/2023/11/30/5

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