⚠ Actively exploited
Added to CISA KEV on 2021-11-03. Federal agencies required to patch by 2022-05-03. Required action: Apply updates per vendor instructions..

CVE-2020-17144 — Deserialization of Untrusted Data in Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31

CWE-502 — Deserialization of Untrusted DataCWE-94 — Code Injection6 documents6 sources
Severity
8.8HIGHNVD
CNA8.4VulnCheck8.4
EPSS
92.0%
top 0.30%
CISA KEV
KEV
Added 2021-11-03
Due 2022-05-03
Exploit
Exploited in wild
Active exploitation observed
Affected products
2
Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31Microsoft Exchange Server
Timeline
PublishedDec 10
KEV addedNov 3
KEV dueMay 3
Latest updateMay 24
CISA Required Action: Apply updates per vendor instructions.

Description

Microsoft Exchange Remote Code Execution Vulnerability

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages2 packages

Patches

Patch: msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-68q4-hg7f-7p9c: , aka 'Microsoft Exchange Remote Code Execution Vulnerability'↗2022-05-24
▶
CVEList
Microsoft Exchange Remote Code Execution Vulnerability↗2020-12-09
▶
VulnCheck
Microsoft Exchange Server Remote Code Execution Vulnerability↗2020
▶

📋Vendor Advisories

2
CISA
Microsoft Exchange Server Remote Code Execution Vulnerability↗2021-11-03
▶
Microsoft
Microsoft Exchange Remote Code Execution Vulnerability↗2020-12-08
▶
CVE-2020-17144 — Deserialization of Untrusted Data | cvebase