HOMEVULNERABILITIESCVE-2011-0647
CRITICALPOC

CVE-2011-0647

CWE-20Published: February 10, 2011· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

The irccd.exe service in EMC Replication Manager Client before 5.3 and NetWorker Module for Microsoft Applications 2.1.x and 2.2.x allows remote attackers to execute arbitrary commands via the RunProgram function to TCP port 6542.

NVD Source

Technical Analysis

CVE-2011-0647 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.

A proof-of-concept (PoC) exploit exists for CVE-2011-0647. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

emc2 product(s)
replication managernetworker module
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (16)

Quick Facts

CVE IDCVE-2011-0647
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-20
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedFeb 10, 2011

Related CVEs (CWE-20)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2011-0647 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.