Privilege escalation in Microsoft Exchange_server
CVE-2020-16875
<p>A remote code execution vulnerability exists in Microsoft Exchange server due to improper validation of cmdlet arguments.</p> <p>An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the Sys…
EPSS: 0.471 (98.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Microsoft Exchange_server — versions 2016, 2019
- Microsoft Exchange Server 2016 Cumulative Update 16 — versions 15.01.0
- Microsoft Exchange Server 2016 Cumulative Update 17 — versions 15.01.0
- Microsoft Exchange Server 2019 Cumulative Update 5 — versions 15.02.0
- Microsoft Exchange Server 2019 Cumulative Update 6 — versions 15.02.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
- secure@microsoft.com (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-16875?
- CVE-2020-16875 is a high-severity vulnerability in Microsoft Exchange_server, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.4/10. Published 2020-09-11.
- How severe is CVE-2020-16875?
- High severity. CVSS v3 base score is 8.4 out of 10.
- Is CVE-2020-16875 known to be exploited?
- 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.