How severe is CVE-2011-4744?

CVE-2011-4744 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2011-4744 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4744?

CVE-2011-4744 affects Parallels Parallels Plesk Panel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4744?

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-2011-4744 published?

CVE-2011-4744 was published on 2011-12-16 and last updated on 2026-06-16.

CVE-2011-4744

CVE-2011-4744 is a critical-severity vulnerability in Parallels Parallels Plesk Panel with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Parallels Parallels Plesk Panel
Published: 2011-12-16
Last modified: 2026-06-16

Description

The Control Panel in Parallels Plesk Panel 10.2.0 build 20110407.20 sends incorrect Content-Type headers for certain resources, which might allow remote attackers to have an unspecified impact by leveraging an interpretation conflict involving smb/admin-home/featured-applications/ and certain other files. NOTE: it is possible that only clients, not the Plesk product, could be affected by this issue.

Frequently asked questions

What is CVE-2011-4744?: The Control Panel in Parallels Plesk Panel 10.2.0 build 20110407.20 sends incorrect Content-Type headers for certain resources, which might allow remote attackers to have an unspecified impact by leveraging an interpretation conflict involving smb/admin-home/featured-applications/ and certain other files. NOTE: it is possible that only clients, not the Plesk product, could be affected by this issue.
How severe is CVE-2011-4744?: CVE-2011-4744 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-4744 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4744?: CVE-2011-4744 affects Parallels Parallels Plesk Panel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4744?: 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-2011-4744 published?: CVE-2011-4744 was published on 2011-12-16 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:parallels:parallels_plesk_panel:10.2.0_build20110407.20:*:*:*:*:*:*:*

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CVE-2011-4749 — Critical (CVSS 10.0): The billing system for Parallels Plesk Panel 10.3.1_build1013110726.09 generates a password form field without…
CVE-2011-4743 — Critical (CVSS 10.0): The Control Panel in Parallels Plesk Panel 10.2.0 build 20110407.20 omits the Content-Type header's charset parameter…
CVE-2011-4739 — Critical (CVSS 10.0): The Control Panel in Parallels Plesk Panel 10.2.0 build 20110407.20 generates a password form field without disabling…
CVE-2011-4733 — Critical (CVSS 10.0): The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 sends incorrect Content-Type headers…
CVE-2011-4732 — Critical (CVSS 10.0): The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 omits the Content-Type header's…
CVE-2011-4730 — Critical (CVSS 10.0): The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 generates a password form field…

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