Vulnerability in Microsoft Exchange Server
CVE-2020-17085
Microsoft Exchange Server Denial of Service Vulnerability
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.036 (89.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
- Microsoft Exchange Server — versions 2013, 2016, 2019
- Microsoft Exchange Server 2013 Cumulative Update 23 — versions 15.00.0
- Microsoft Exchange Server 2016 Cumulative Update 17 — versions 15.01.0
- Microsoft Exchange Server 2016 Cumulative Update 18 — versions 15.01.0
- Microsoft Exchange Server 2019 Cumulative Update 6 — versions 15.02.0
- Microsoft Exchange Server 2019 Cumulative Update 7 — versions 15.02.0
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17085 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-17085?
- CVE-2020-17085 is a medium-severity vulnerability in Microsoft Exchange Server. CVSS score: 6.2/10. Published 2020-11-11.
- How severe is CVE-2020-17085?
- Medium severity. CVSS v3 base score is 6.2 out of 10.
- Is CVE-2020-17085 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.