CVE-2020-17084: microsoft exchange_server Classic Buffer Overflow
CVSS: 9.0v2.0HighModified
Published 11-11-2020Last modified 10-09-2024
Vulnerability summary
CVE-2020-17084 is a high (CVSS 9.0) Classic Buffer Overflow vulnerability in microsoft exchange_server. EPSS estimates a 3.85% chance of exploitation in the next 30 days, higher than 90% of scored vulnerabilities.
CVSS score
9.0/10
010
High · v2.0 (NVD)EPSS score
3.85%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-11-2020PublishedVulnerability first disclosed.
- 10-09-2024Last modifiedVulnerability information updated.
Description
Microsoft Exchange Server Remote Code Execution Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 8.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST8.5HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
High 9.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
3.85%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.85% on 20-09-2026
20-09-202620-10-2026
EPSS score3.85%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft6 products
- exchange_server2013:cumulative_update_23 | 2016:cumulative_update_17 | 2016:cumulative_update_18 | 2019:cumulative_update_6 | 2019:cumulative_update_7
- microsoft exchange server 2013 cumulative update 23≥ 15.00.0, < publication
- microsoft exchange server 2016 cumulative update 17≥ 15.01.0, < publication
- microsoft exchange server 2016 cumulative update 18≥ 15.01.0, < publication
- microsoft exchange server 2019 cumulative update 6≥ 15.02.0, < publication
1 vendor · 6 products
References
1 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17084X Refsource MISCPatchVendor Advisory