CVE-2009-1491

Public Exploit

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.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 0.13%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/50354 vdb entry
http://www.nmrc.org/~thegnome/blog/apr09/ exploit

Frequently Asked Questions

What is the severity of CVE-2009-1491?
CVE-2009-1491 has been scored as a critical severity vulnerability.
How to fix CVE-2009-1491?
To fix CVE-2009-1491, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-1491 being actively exploited in the wild?
It is possible that CVE-2009-1491 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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