Vulnerability Monitor

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CVE-2007-0221

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."

Security Impact Summary

CVE-2007-0221 is a security vulnerability that . Impacting 1 product from microsoft organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2007, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2007-05-08T23:19:00.000

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-190

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	microsoft	exchange_server	2000	Yes

References

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=526 Patch, Third Party Advisory ([email protected])
http://secunia.com/advisories/25183 Patch, Third Party Advisory ([email protected])
http://www.osvdb.org/34392 Broken Link ([email protected])
http://www.securityfocus.com/archive/1/468871/100/200/threaded Third Party Advisory, VDB Entry ([email protected])
http://www.securityfocus.com/bid/23810 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id?1018015 Patch, Third Party Advisory, VDB Entry ([email protected])
http://www.us-cert.gov/cas/techalerts/TA07-128A.html Third Party Advisory, US Government Resource ([email protected])
http://www.vupen.com/english/advisories/2007/1711 Permissions Required ([email protected])
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-026 Patch, Vendor Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/33890 Third Party Advisory, VDB Entry ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2054 Third Party Advisory ([email protected])
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=526 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/25183 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/34392 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/468871/100/200/threaded Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/23810 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1018015 Patch, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.us-cert.gov/cas/techalerts/TA07-128A.html Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2007/1711 Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-026 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/33890 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2054 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For microsoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.