Is CVE-2010-4840 actively exploited?

No active exploitation of CVE-2010-4840 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2010-4840 be exploited remotely?

Yes. CVE-2010-4840 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2010-4840?

CVE-2010-4840 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2010-4840

CWE-119Published: September 27, 2011· Updated: Jun 16, 2026

7.5

CVSS v3.1

Official Description

Multiple buffer overflows in the Syslog server in ManageEngine EventLog Analyzer 6.1 allow remote attackers to cause a denial of service (SysEvttCol.exe process crash) or possibly execute arbitrary code via a long Syslog PRI message header to UDP port (1) 513 or (2) 514. Fixed in 7.2 Build 7020.

NVD Source

Technical Analysis

CVE-2010-4840 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.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.