High severity · published Apr 12, 2000
CVE-2000-0258
IIS 4.0 and 5.0 allows remote attackers to cause a denial of service by sending many URLs with a large number of escaped characters, aka the "Myriad Escaped Characters"…
7.5
CVSS
19.5%
EPSS
No
On KEV
Description
IIS 4.0 and 5.0 allows remote attackers to cause a denial of service by sending many URLs with a large number of escaped characters, aka the "Myriad Escaped Characters" Vulnerability.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)19.5% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
II
Internet Information Server · Microsoft
4.0 · source: NVD
II
Internet Information Services · Microsoft
5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2000-0258
CVE.org
https://www.cve.org/CVERecord?id=CVE-2000-0258
Third Party Advisory
http://www.securityfocus.com/bid/1101
docs.microsoft.com
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-023
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