CVE-2001-0546
mediumpriority · track · 26EPSS 0.173 · 97 %ileEUUSgrimoire priorityP1 · Urgent
Exploitable?
—
no known exploitation
Likely / severe?
17.3% (97th) EPSS
CVSS 5 · medium
Who says so?
2 sources
enisa_euvd · nvd
EPSS · scored 2026-10-27
Memory leak in H.323 Gatekeeper Service in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause a denial of service (resource exhaustion) via a large amount of malformed H.323 data.
01
cvss
Technical severity, 0–10. One row per scoring source.
5.0
010
base score 0–10 · higher = more severe · hover a vector to decode
02
weaknesses
The CWE weakness classes this flaw belongs to.
CWE-400USLLM-inferred
03
affected products (2)
Products and version ranges known to be affected.
04
also known as (2)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
published 2001-09-20modified 2026-06-16
06
references (6)
External citations — patches, advisories, analysis.
- http://www.securityfocus.com/bid/3196enisa_euvd
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-045enisa_euvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6989enisa_euvd
- http://www.securityfocus.com/bid/3196nvd
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-045nvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6989nvd
scry
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