CVE-2023-21567
CVE-2023-21567 is a medium-severity vulnerability in Microsoft Visual Studio 2017 with a CVSS 3.x base score of 5.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.
Key facts
- Severity: Medium (CVSS 3.x base score 5.6)
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-59
- Affected product: Microsoft Visual Studio 2017
- Published:
- Last modified:
Description
Visual Studio Denial of Service Vulnerability
Frequently asked questions
- What is CVE-2023-21567?
- Visual Studio Denial of Service Vulnerability
- How severe is CVE-2023-21567?
- CVE-2023-21567 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability high.
- Is CVE-2023-21567 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-21567?
- CVE-2023-21567 primarily affects Microsoft Visual Studio 2017. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-21567?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-21567 published?
- CVE-2023-21567 was published on 2023-02-14 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
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