What’s Vulnerable › Vulnerabilities

CVE-2020-8939: Out of Bounds read in Asylo

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-15 · updated 2026-06-17
• Weakness: CWE-125

Description

An out of bounds read on the enc_untrusted_inet_ntop function allows an attack to extend the result size that is used by memcpy() to read memory from within the enclave heap. We recommend upgrading past commit 6ff3b77ffe110a33a2f93848a6333f33616f02c4

Affected products

• Google LLC Asylo: through 0.6.0

References

• https://github.com/google/asylo/commit/6ff3b77ffe110a33a2f93848a6333f33616f02c4
• https://github.com/google/asylo/commit/6ff3b77ffe110a33a2f93848a6333f33616f02c4

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