Vulnerability in Microsoft Windows 10
CVE-2020-1206
An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Information Disclosure Vulnerability'.
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:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.105 (95.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.105 · newest: 0.105 · change: 0.000
Affected products
- Microsoft Windows 10 — versions 1903, 1909, 2004
- Microsoft Windows 10 Version 1903 For 32-Bit Systems — versions unspecified
- Microsoft Windows 10 Version 1903 For Arm64-Based Systems — versions unspecified
- Microsoft Windows 10 Version 1903 For X64-Based Systems — versions unspecified
- Microsoft Windows 10 Version 1909 For 32-Bit Systems — versions unspecified
- Microsoft Windows 10 Version 1909 For Arm64-Based Systems — versions unspecified
- Microsoft Windows 10 Version 1909 For X64-Based Systems — versions unspecified
- Microsoft Windows 10 Version 2004 For 32-Bit Systems — versions unspecified
- Microsoft Windows 10 Version 2004 For Arm64-Based Systems — versions unspecified
- Microsoft Windows 10 Version 2004 For X64-Based Systems — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
- jamf/CVE-2020-1206-POC
- datntsec/CVE-2020-1206
- Info-Security-Solution-Kolkata/Smbleed-CVE-2020-1206-Exploit
- Info-Security-Solution-Kolkata/CVE-2020-1206-Exploit
- MizaruIT/PENTAD-TOOLKIT
- MizaruIT/PENTADAY_
- NetW0rK1le3r/awesome-hacking-lists
- ZecOps/CVE-2020-0796-RCE-POC
- ZecOps/CVE-2020-1206-POC
- ZecOps/SMBGhost-SMBleed-scanner
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1206 (Patch, Vendor Advisory)
- packetstormsecurity.com/files/158053/SMBleed-Uninitialized-Kernel-Memory-Read-P… (Technical Description)
Frequently asked questions
- What is CVE-2020-1206?
- CVE-2020-1206 is a high-severity vulnerability in Microsoft Windows 10, classified under Use of Uninitialized Resource. CVSS score: 7.5/10. Published 2020-06-09.
- How severe is CVE-2020-1206?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-1206 known to be exploited?
- 30 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.