CVE-2007-0221

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 37.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-05-08 · updated 2026-06-16
Weakness: CWE-190

Description

Integer overflow in the IMAP (IMAP4) support in Microsoft Exchange Server 2000 SP3 allows remote attackers to cause a denial of service (service hang) via crafted literals in an IMAP command, aka the "IMAP Literal Processing Vulnerability."

Affected products

Microsoft Exchange Server: 2000-sp3

References

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=526
http://secunia.com/advisories/25183
http://www.osvdb.org/34392
http://www.securityfocus.com/archive/1/468871/100/200/threaded
http://www.securityfocus.com/bid/23810
http://www.securitytracker.com/id?1018015
http://www.us-cert.gov/cas/techalerts/TA07-128A.html
http://www.vupen.com/english/advisories/2007/1711
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-026
https://exchange.xforce.ibmcloud.com/vulnerabilities/33890
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2054
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=526

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