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CVE-2011-1755

7.5 · HIGH

jabberd2 before 2.2.14 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document…

Published Jun 21, 2011jabberd2CWE-776EPSS 3.66%

Overview

CVE-2011-1755 is a high-severity vulnerability affecting jabberd2 jabberd2. It was published on June 21, 2011 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

jabberd2 before 2.2.14 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.

Remediation

Check the references section for vendor advisories and patches from jabberd2. Update jabberd2 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
jabberd2jabberd2>= 0, < 2.2.14Affected
applemac_os_x>= 0, < 10.6.8Affected
applemac_os_x_server>= 0, < 10.6.8Affected

References

Refcodex.xiaoka.com/svn/jabberd2/tags/jabberd-2.2.14/ChangeLogReflists.apple.com/archives/Security-announce/2011//Oct/msg00003.htmlReflists.fedoraproject.org/pipermail/package-announce/2011-June/061341.htmlReflists.fedoraproject.org/pipermail/package-announce/2011-June/061458.htmlReflists.fedoraproject.org/pipermail/package-announce/2011-June/061482.htmlRefsecunia.com/advisories/44787Refsecunia.com/advisories/44957Refsecunia.com/advisories/45112Refsupport.apple.com/kb/HT5002Refwww.mail-archive.com/jabberd2%40lists.xiaoka.com/msg01655.html

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1755?

CVE-2011-1755 is a high-severity vulnerability affecting jabberd2 jabberd2. It was published on June 21, 2011 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2011-1755?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-1755?

Check the references section for vendor advisories and patches from jabberd2. Update jabberd2 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-1755?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1755 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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