CVE-2020-0688
Last modified
CVE-2020-0688 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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'.. CISA has confirmed active exploitation in the wild. EPSS estimates a 99.97% chance of exploitation in the next 30 days.
Description
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'.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Exchange Server | 2010 | Sp3 Rollup 30 |
| Microsoft | Exchange Server | 2013 | Cumulative Update 23 |
| Microsoft | Exchange Server | 2016 | Cumulative Update 14 |
| Microsoft | Exchange Server | 2019 | Cumulative Update 3 |
References
- http://packetstormsecurity.com/files/156592/Microsoft-Exchange-2019-15.2.221.12-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/156620/Exchange-Control-Panel-Viewstate-Deserialization.htmlExploit, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0688Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-258/Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/156592/Microsoft-Exchange-2019-15.2.221.12-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/156620/Exchange-Control-Panel-Viewstate-Deserialization.htmlExploit, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0688Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-258/Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0688US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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