What’s Vulnerable › Vulnerabilities

CVE-2021-24117

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-14 · updated 2026-06-17
• Weakness: CWE-203

Description

In Apache Teaclave Rust SGX SDK 1.1.3, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.

Affected products

• Apache Teaclave Sgx Sdk: 1.1.3

References

• https://docs.rs/crate/sgx_tstd/1.1.1
• https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md
• https://github.com/dingelish/rust-base64/commit/a554b7ae880553db6dde8a387101a093911d5b2a
• https://docs.rs/crate/sgx_tstd/1.1.1
• https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md
• https://github.com/dingelish/rust-base64/commit/a554b7ae880553db6dde8a387101a093911d5b2a

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