Which products and versions are affected by CVE-2010-1899?

Affected: Internet Information Server (Microsoft) versions 6.0; Internet Information Services (Microsoft) versions 7.5. The full list is in the CVE brief.

Is CVE-2010-1899 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2010-1899 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2010-1899?

Public exploit code is available.

Is there a fix for CVE-2010-1899?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2010-1899 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2010-1899

MediumPublic exploit

Stack consumption vulnerability in the ASP implementation in Microsoft Internet Information Services (IIS) 5.1, 6.0, 7.0, and 7.5 allows remote attackers to cause a denial of service (daemon outage) via a crafted request, related to asp.dll, aka "IIS Repeated Parameter Request…

Published Sep 15, 2010 · Updated Apr 28, 2026

Key Facts

Patch immediately

CVE-2010-1899 is a medium-severity vulnerability (CVSS 4.3 v2) affecting Internet Information Server (Microsoft), Internet Information Services (Microsoft).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 57% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

4.3

AV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS (30-day exploit likelihood)

57%

Higher than 99.0% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2010-1899 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Internet Information ServerMicrosoft	6.0	n/a
Internet Information ServicesMicrosoft	7.5	n/a

Timeline

Publicly disclosed
Sep 15, 2010
Last updated
Apr 28, 2026

Weakness Type

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

FAQ

Common Questions.

Stack consumption vulnerability in the ASP implementation in Microsoft Internet Information Services (IIS) 5.1, 6.0, 7.0, and 7.5 allows remote attackers to cause a denial of service (daemon outage) via a crafted request, related to asp.dll, aka "IIS Repeated Parameter Request Denial of Service Vulnerability."
Affected: Internet Information Server (Microsoft) versions 6.0; Internet Information Services (Microsoft) versions 7.5. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2010-1899 Running On Your Attack Surface?

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