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CWE-400

3,262 CVEs • Abstraction: Class • Likelihood of Exploit: High

Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

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CVEs (3,262)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
CVE-2001-0666
1Microsoft
1Exchange Server
Apr 16, 2026
Oct 30, 2001
N/A· v4
N/A· v3
2.1 LOW· v2
Outlook Web Access (OWA) in Microsoft Exchange 2000 allows an authenticated user to cause a denial of service (CPU consumption) via a malformed OWA request for a deeply nested folder within the user's mailbox.
CVE-1999-0159
1Cisco
1Ios
Apr 16, 2026
Aug 12, 1998
N/A· v4
3.5 LOW· v3
5.0 MEDIUM· v2
Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt (such as a login). This applies to some IOS 9.x, 10.x, and 11.x releases.