CVE-2020-0688
At a glance
- Severity
- HIGH 8.8
- Exploitation
- Known exploited (CISA KEV) · added 2021-11-03
Exploited per ENISA since 2021-11-03 - EPSS
- EPSS 99.96 % · percentile 100 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Analyzed
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'.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
| CVSS 2.0 | HIGH 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2020-2181
- GCVE · GCVE-0-2020-0688
CERT-FR advisories
- CERTFR-2020-AVI-082 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
- CERTFR-2020-ALE-007 — Vulnérabilité dans Microsoft Exchange Server · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:microsoft:exchange_server:2010:sp3_rollup_30:*:*:*:*:*:*cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Microsoft · Microsoft Exchange Server 2013 | affected Cumulative Update 23 |
| Microsoft · Microsoft Exchange Server 2019 Cumulative Update 3 | affected unspecified |
| Microsoft · Microsoft Exchange Server 2016 Cumulative Update 14 | affected unspecified |
| Microsoft · Microsoft Exchange Server 2016 Cumulative Update 15 | affected unspecified |
| Microsoft · Microsoft Exchange Server 2019 Cumulative Update 4 | affected unspecified |
| Microsoft · Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 30 | affected unspecified |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0688
- https://www.zerodayinitiative.com/advisories/ZDI-20-258/
- http://packetstormsecurity.com/files/156592/Microsoft-Exchange-2019-15.2.221.12-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/156620/Exchange-Control-Panel-Viewstate-Deserialization.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0688
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| CISA Known Exploited Vulnerabilities | CC0 1.0 |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |