Known exploited vulnerability
CVE-2023-21715
The short answer
CVE-2023-21715 affects Microsoft Microsoft 365 Apps for Enterprise and is rated high (CVSS 7.3). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-02-14: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Microsoft Publisher Security Feature Bypass Vulnerability
Weakness: CWE-863.
Severity
7.3 high
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Feb 14, 2023
Federal due date Mar 7, 2023
EPSS, next 30 days
12%
Higher than 96% of scored CVEs
How it can be exploited
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
Microsoft 365 Apps for Enterprise. NVD's record lists the exact affected versions.
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21715 PatchVendor Advisory
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21715 PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21715 US Government Resource
Questions
Is CVE-2023-21715 being exploited?
Yes. CISA added CVE-2023-21715 to its Known Exploited Vulnerabilities catalog on 2023-02-14, with a federal remediation due date of 2023-03-07.
How do I fix CVE-2023-21715?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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