Path Traversal in Microsoft .Net Framework 3.5
CVE-2019-1142
An elevation of privilege vulnerability exists when the .NET Framework common language runtime (CLR) allows file creation in arbitrary locations, aka '.NET Framework Elevation of Privilege Vulnerability'.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Microsoft .Net Framework 3.5 — versions Windows Server 2012, Windows Server 2012 (Server Core installation), Windows 8.1 for 32-bit systems
- Microsoft .Net Framework 3.5 And 4.7.2 On Windows 10 Version 1809 For 32-Bit Systems — versions unspecified
- Microsoft .Net Framework 3.5 And 4.7.2 On Windows 10 Version 1809 For X64-Based Systems — versions unspecified
- Microsoft .Net Framework 3.5 And 4.7.2 On Windows Server 2019 — versions unspecified
- Microsoft .Net Framework 3.5 And 4.7.2 On Windows Server 2019 (Server Core Installation) — versions unspecified
- Microsoft .Net Framework 3.5 And 4.8 On Windows 10 Version 1809 For 32-Bit Systems — versions unspecified
- Microsoft .Net Framework 3.5 And 4.8 On Windows 10 Version 1809 For X64-Based Systems — versions unspecified
- Microsoft .Net Framework 3.5 And 4.8 On Windows 10 Version 1903 For 32-Bit Systems — versions unspecified
- Microsoft .Net Framework 3.5 And 4.8 On Windows 10 Version 1903 For X64-Based Systems — versions unspecified
- Microsoft .Net Framework 3.5 And 4.8 On Windows Server 2019 — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1142 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1142?
- CVE-2019-1142 is a medium-severity vulnerability in Microsoft .Net Framework 3.5, classified under Path Traversal. CVSS score: 5.5/10. Published 2019-09-11.
- How severe is CVE-2019-1142?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-1142 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.