What is CVE-2021-32803?

CVE-2021-32803 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Arbitrary File Creation/Overwrite via insufficient symlink protection due to directory cache poisoning

Which CVE IDs does CVE-2021-32803 cover?

CVE-2021-32803 covers the following CVE IDs: CVE-2021-32803. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-32803?

CVE-2021-32803 has a CVSS v3 base score of 8.2, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-32803?

CVE-2021-32803 affects 2 products, including: azl3 tar 1.35-2 on Azure Linux 3.0; cbl2 tar 1.34-3.

CVE-2021-32803HighCVSS 8.2

Arbitrary File Creation/Overwrite via insufficient symlink protection due to directory cache poisoning

Vendor

Microsoft Security Response Center (MSRC)

Published

August 7, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2021-32803 →

🎯 Affected products2

azl3 tar 1.35-2 on Azure Linux 3.0
cbl2 tar 1.34-3

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-32803