mono 2.10.x ASP.NET Web Form Hash collision DoS
Priority LOW 38CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
mono 2.10.x ASP.NET Web Form Hash collision DoS
Why it matters now
EPSS 0.02583 85th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| mono | mono | 2.10.x | — | No fix listed | CNA |
- mono Vendormono Affected 2.10.x Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mono-project:mono:*:*:*:*:*:*:*:* | 2.10 – 2.10.12 | Vulnerable | Mono-project |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:a:mono-project:mono:*:*:*:*:*:*:*:* Versions 2.10 – 2.10.12 Vulnerable ·Mono-project
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2012-3543
- 2026-10-03 Alias added: GHSA-r6qx-59w8-q9p9
References
Patch 2
Advisory 3
More mono vulnerabilities
- TI-2010-04003 Mono, when Moonlight before 2.3.0.1 or 2.99.x before 2.99.0.10 is used, does not properly… CVSS 2.0HIGH 7.5
- TI-2020-09972 MonoX through 5.1.40.5152 allows remote code execution via HTML5Upload.ashx or… CVSS 3.1CRITICAL 9.8
- TI-2007-05007 Buffer overflow in the Mono.Math.BigInteger class in Mono 1.2.5.1 and earlier allows… CVSS 2.0HIGH 7.5
- TI-2005-00466 Multiple cross-site scripting (XSS) vulnerabilities in the Mono 1.0.5 implementation of… CVSS 2.0MEDIUM 4.3
- TI-2020-09974 MonoX through 5.1.40.5152 allows admins to execute arbitrary programs by reconfiguring… CVSS 3.1HIGH 7.2
- TI-2020-09971 MonoX through 5.1.40.5152 allows administrators to execute arbitrary code by modifying an ASPX template. CVSS 3.1HIGH 7.2
Sources
- CVE-2012-3543 · CVE Program
- CVE-2012-3543 · NVD
- FIRST EPSS
- GHSA-r6qx-59w8-q9p9 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-3543 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences