Coverage › CVE-2021-31196
CVE-2021-31196 Unmapped
Microsoft Exchange Server Information Disclosure Vulnerability
- Vendor / product
- Microsoft — Exchange Server
- Description (CISA)
- Microsoft Exchange Server contains an information disclosure vulnerability that allows for remote code execution.
- Added to KEV
- 2024-08-21
- Due date
- 2024-09-11
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Known ransomware use
- Unknown
- Forensic triage (CISA)
- No
- CWE
- none recorded by CISA
- CISA notes
- https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-31196
https://nvd.nist.gov/vuln/detail/CVE-2021-31196 - Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2021-31196. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.