CVE-2023-20593
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- 2 proofs of concept on GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: poc
- Automatable: no
- Technical impact: partial
Summary
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: poc · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- AGESA
various
- AGESA
various
- AGESA
various
- AGESA
various
- AGESA
various
- AGESA
various
- AGESA
various
- µcode / AGESA™ firmware
various
References 27
xenbits.xen.org
openwall.com
- lists/oss-security/2023/07/24/3
- lists/oss-security/2023/07/25/5
- lists/oss-security/2023/07/25/6
- lists/oss-security/2023/07/25/1
- lists/oss-security/2023/07/25/13
- lists/oss-security/2023/07/25/17
- lists/oss-security/2023/07/25/12
- lists/oss-security/2023/07/25/16
- lists/oss-security/2023/07/25/14
- lists/oss-security/2023/07/25/15
- lists/oss-security/2023/07/26/1
- lists/oss-security/2023/07/31/2
- lists/oss-security/2023/08/08/7
- lists/oss-security/2023/08/08/8