Vulnerability in Microsoft .Net Framework 2.0
CVE-2020-1108
A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Core or .NET Framework web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Core or .NET Framework application. The update addresses the vulnerability by correcting how the .NET Core or .NET Framework web application handles web requests.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.065 (93.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.063 · newest: 0.065 · change: +0.002
Affected products
- Microsoft .Net Framework 2.0 — versions Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2, Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
- Microsoft .Net Framework 2.0 Service Pack 2
- Microsoft .Net Framework 3.0 — versions Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2, Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
- Microsoft .Net Framework 3.0 Service Pack 2
- Microsoft .Net Framework 3.5 — versions Windows 8.1 for 32-bit systems, Windows 8.1 for x64-based systems, Windows Server 2012
- Microsoft .Net Framework 3.5.1 — versions Windows 7 for 32-bit Systems Service Pack 1, Windows 7 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1
- Microsoft .Net Framework 3.5 And 4.6.2/4.7/4.7.1/4.7.2
- Microsoft .Net Framework 3.5 And 4.6.2/4.7/4.7.1/4.7.2 On Windows 10 Version 1607 For 32-Bit Systems — versions unspecified
- Microsoft .Net Framework 3.5 And 4.6.2/4.7/4.7.1/4.7.2 On Windows 10 Version 1607 For X64-Based Systems — versions unspecified
- Microsoft .Net Framework 3.5 And 4.6.2/4.7/4.7.1/4.7.2 On Windows Server 2016 — versions unspecified
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1108 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2020-1108?
- CVE-2020-1108 is a high-severity vulnerability in Microsoft .Net Framework 2.0. CVSS score: 7.5/10. Published 2020-05-21.
- How severe is CVE-2020-1108?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-1108 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.