Vulnerability in Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 30
CVE-2020-0688
A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka 'Microsoft Exchange Memory Corruption Vulnerability'.
EPSS: 0.944 (100.0th percentile) — read the EPSS interpretation.
Affected products
- Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 30 — versions unspecified
- Microsoft Exchange Server 2013 — versions Cumulative Update 23
- Microsoft Exchange Server 2016 Cumulative Update 14 — versions unspecified
- Microsoft Exchange Server 2016 Cumulative Update 15 — versions unspecified
- Microsoft Exchange Server 2019 Cumulative Update 3 — versions unspecified
- Microsoft Exchange Server 2019 Cumulative Update 4 — versions unspecified
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0688 (x_refsource_MISC)
- www.zerodayinitiative.com/advisories/ZDI-20-258/ (x_refsource_MISC)
- packetstormsecurity.com/files/156592/Microsoft-Exchange-2019-15.2.221.12-Remote… (x_refsource_MISC)
- packetstormsecurity.com/files/156620/Exchange-Control-Panel-Viewstate-Deseriali… (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-0688?
- CVE-2020-0688 is a vulnerability in Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 30. Published 2020-02-11.
- Is CVE-2020-0688 known to be exploited?
- Yes. CVE-2020-0688 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 201 public proof-of-concept repositories are indexed.