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CVE-2006-3216

UnknownEPSS 1.82%

Last modified

CVE-2006-3216 is a vulnerability of currently unknown severity. Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to cause a denial of service via (1) non-ASCII characters in a reverse DNS lookup result from a Received header, which leads to a Receiver service stop, and (2) unspecified vectors involving malformed messages, which causes "unpredictable behavior" that prevents the Security service from processing more messages.. EPSS estimates a 1.82% chance of exploitation in the next 30 days.

Description

Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to cause a denial of service via (1) non-ASCII characters in a reverse DNS lookup result from a Received header, which leads to a Receiver service stop, and (2) unspecified vectors involving malformed messages, which causes "unpredictable behavior" that prevents the Security service from processing more messages.

Metrics

EPSS Probability
1.82%

76.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
ClearswiftMailsweeper For Exchange<= 4.3.19
ClearswiftMailsweeper For Smtp<= 4.3.19

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2006-3216?
Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to cause a denial of service via (1) non-ASCII characters in a reverse DNS lookup result from a Received header, which leads to a Receiver service stop, and (2) unspecified vectors involving malformed messages, which causes "unpredictable behavior" that prevents the Security service from processing more messages.
How severe is CVE-2006-3216?
Severity scoring for CVE-2006-3216 is pending analysis. The EPSS model estimates a 1.82% probability of exploitation in the next 30 days.
How do I fix CVE-2006-3216?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2006-3216?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST