CVE-2021-31196

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2021-31196

Confirmed

Yes

2024-08-21 00:00 UTC

Timestamps

2024-08-21

2024-08-21

Scope

KEV entry: Microsoft Exchange Server Information Disclosure Vulnerability | Affected: Microsoft / Exchange Server | Description: Microsoft Exchange Server contains an information disclosure vulnerability that allows for remote code execution. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-09-11 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-31196; https://nvd.nist.gov/vuln/detail/CVE-2021-31196

References
  • {'id': 'CVE-2021-31196', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-31196'}

5b0f5b78-5410-48d5-81e8-c12c8daf5be6

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [],
  "date_added": "2024-08-21",
  "due_date": "2024-09-11",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Exchange Server",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft Exchange Server Information Disclosure Vulnerability"
}
 -
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