# 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'.

- Page: https://www.vulneraibility.com/cve/CVE-2020-0688
- CVSS: 8.8
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2022-05-03; known ransomware use
- EPSS: 99.95% (percentile 100.0)
- Public exploit code: 2 on Exploit-DB · 1 Metasploit module · 25 GitHub proofs of concept (first 2020-02-25)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-04)
- Weakness: CWE-287
- Published: 2020-02-11

## Affected versions

- Microsoft Microsoft Exchange Server 2013: affected Cumulative Update 23

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0688
- [other] https://www.zerodayinitiative.com/advisories/ZDI-20-258/
- [other] http://packetstormsecurity.com/files/156592/Microsoft-Exchange-2019-15.2.221.12-Remote-Code-Execution.html
- [other] http://packetstormsecurity.com/files/156620/Exchange-Control-Panel-Viewstate-Deserialization.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0688

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.