CVE-2012-3543

Name: CVE-2012-3543
Creator: NVD / NIST
Published: 2019-11-21T14:15:12.613+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.58%

Last modified Jun 16, 2026

CVE-2012-3543 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. mono 2.10.x ASP.NET Web Form Hash collision DoS. EPSS estimates a 2.58% chance of exploitation in the next 30 days.

Description

mono 2.10.x ASP.NET Web Form Hash collision DoS

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 3.0

/10

EPSS Probability

2.58%

83.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Mono-Project	Mono	>= 2.10, <= 2.10.12
Canonical	Ubuntu Linux	12.04
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

http://www.openwall.com/lists/oss-security/2012/08/28/14Exploit, Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/55251Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2547-1Third Party Advisory
https://access.redhat.com/security/cve/cve-2012-3543Broken Link
https://bugs.gentoo.org/show_bug.cgi?id=CVE-2012-3543Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-3543Issue Tracking, Patch, Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-3543Issue Tracking, Patch, Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2012-3543Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/08/28/14Exploit, Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/55251Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2547-1Third Party Advisory
https://access.redhat.com/security/cve/cve-2012-3543Broken Link
https://bugs.gentoo.org/show_bug.cgi?id=CVE-2012-3543Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-3543Issue Tracking, Patch, Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-3543Issue Tracking, Patch, Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2012-3543Third Party Advisory

Timeline

Published: Nov 21, 2019
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-3543?

mono 2.10.x ASP.NET Web Form Hash collision DoS

How severe is CVE-2012-3543?

CVE-2012-3543 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.58% probability of exploitation in the next 30 days.

How do I fix CVE-2012-3543?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-3543?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST