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CVE-2009-1491

9.3 · HIGH

McAfee GroupShield for Microsoft Exchange on Exchange Server 2000, and possibly other anti-virus or anti-spam products from McAfee or other vendors, does not scan X- headers for malicious content,…

Published May 5, 2009mcafeeCWE-20EPSS 2.82%

Overview

CVE-2009-1491 is a high-severity vulnerability affecting mcafee groupshield. It was published on May 5, 2009 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

McAfee GroupShield for Microsoft Exchange on Exchange Server 2000, and possibly other anti-virus or anti-spam products from McAfee or other vendors, does not scan X- headers for malicious content, which allows remote attackers to bypass virus detection via a crafted message, as demonstrated by a message with an X-Testing header and no message body.

Remediation

Check the references section for vendor advisories and patches from mcafee. Update groupshield 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

References

Refwww.nmrc.org/~thegnome/blog/apr09/Refexchange.xforce.ibmcloud.com/vulnerabilities/50354Refwww.nmrc.org/~thegnome/blog/apr09/Refexchange.xforce.ibmcloud.com/vulnerabilities/50354

How CyberStrike helps

Frequently asked questions

What is CVE-2009-1491?

CVE-2009-1491 is a high-severity vulnerability affecting mcafee groupshield. It was published on May 5, 2009 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2009-1491?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-1491?

Check the references section for vendor advisories and patches from mcafee. Update groupshield 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-2009-1491?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-1491 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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