CVE-2011-4727
10.0 · HIGHThe Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 does not properly validate string data that is intended for storage in an XML document, which allows remote attack…
Overview
CVE-2011-4727 is a high-severity vulnerability affecting parallels parallels_plesk_panel. It was published on December 16, 2011 and has a CVSS 2.0 base score of 10.0 (HIGH).
This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical description
The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 does not properly validate string data that is intended for storage in an XML document, which allows remote attackers to cause a denial of service (parsing error) or possibly have unspecified other impact via a crafted REST URL parameter, as demonstrated by parameters to admin/ and certain other files.
Remediation
Check the references section for vendor advisories and patches from parallels. Update parallels_plesk_panel 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
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References
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Frequently asked questions
What is CVE-2011-4727?
CVE-2011-4727 is a high-severity vulnerability affecting parallels parallels_plesk_panel. It was published on December 16, 2011 and has a CVSS 2.0 base score of 10.0 (HIGH).
How severe is CVE-2011-4727?
This vulnerability has a CVSS 2.0 base score of 10.0, 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-2011-4727?
Check the references section for vendor advisories and patches from parallels. Update parallels_plesk_panel 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-2011-4727?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4727 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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