MEDIUM
CVE-2011-4736
CWE-310Published: December 16, 2011· Updated: Jun 16, 2026
5.0
CVSS v3.1
Official Description
The Control Panel in Parallels Plesk Panel 10.2.0 build 20110407.20 receives cleartext password input over HTTP, which allows remote attackers to obtain sensitive information by sniffing the network, as demonstrated by forms in login_up.php3 and certain other files.
Technical Analysis
CVE-2011-4736 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityNone
AvailabilityNone
AV:N/AC:L/Au:N/C:P/I:N/A:N
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (4)
Quick Facts
CVE IDCVE-2011-4736
CVSS Score5.0 / 10
SeverityMEDIUM
WeaknessCWE-310
CISA KEVNo
Affected3 vendor(s)
PublishedDec 16, 2011
Related CVEs (CWE-310)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-4736 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.