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CVE-2011-0321

6.4 · MEDIUM

librpc.dll in nsrexecd in EMC NetWorker before 7.5 SP4, 7.5.3.x before 7.5.3.5, and 7.6.x before 7.6.1.2 does not properly mitigate the possibility of a spoofed localhost source IP address, which a…

Published Feb 1, 2011emcCWE-264EPSS 2.60%

Overview

CVE-2011-0321 is a medium-severity vulnerability affecting emc networker. It was published on February 1, 2011 and has a CVSS 2.0 base score of 6.4 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

librpc.dll in nsrexecd in EMC NetWorker before 7.5 SP4, 7.5.3.x before 7.5.3.5, and 7.6.x before 7.6.1.2 does not properly mitigate the possibility of a spoofed localhost source IP address, which allows remote attackers to (1) register or (2) unregister RPC services, and consequently cause a denial of service or obtain sensitive information from interprocess communication, via crafted UDP packets containing service commands.

Remediation

Check the references section for vendor advisories and patches from emc. Update networker 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

VendorProductVersionsStatus
emcnetworker0Affected

References

Refarchives.neohapsis.com/archives/bugtraq/2011-01/0162.htmlRefarchives.neohapsis.com/archives/bugtraq/2011-01/att-0162/ESA-2011-003.txtRefsecunia.com/advisories/43113Refsecuritytracker.com/id?1025010Refwww.osvdb.org/70686Refwww.securityfocus.com/bid/46044Refwww.vupen.com/english/advisories/2011/0241Refexchange.xforce.ibmcloud.com/vulnerabilities/64997Refarchives.neohapsis.com/archives/bugtraq/2011-01/0162.htmlRefarchives.neohapsis.com/archives/bugtraq/2011-01/att-0162/ESA-2011-003.txt

How CyberStrike helps

Frequently asked questions

What is CVE-2011-0321?

CVE-2011-0321 is a medium-severity vulnerability affecting emc networker. It was published on February 1, 2011 and has a CVSS 2.0 base score of 6.4 (MEDIUM).

How severe is CVE-2011-0321?

This vulnerability has a CVSS 2.0 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-0321?

Check the references section for vendor advisories and patches from emc. Update networker 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-2011-0321?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-0321 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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