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CVE detail

CVE-2023-20593

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

CVSS 5.5 · MediumBuzz score 25.9

Buzz score

Why this CVE is surfacing

Buzz score total 25.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 17.9 · diversity 8.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
17.9
5 evidence mentions in the snapshot
Diversity score
8.0
3 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
5 source links · newest first
  • In January 2018, the entire computer industry was put on alert by two new processor vulnerabilities dubbed Meltdown and Spectre that defeated the fundamental OS security boundaries separating kernel and user space memory. The flaws stemmed from a performance feature of modern CPUs known as speculative execution and mitigating them required one of the biggest patch coordination […]

    newswww.csoonline.comJul 15, 2024, 5:59 AM
  • Intel has released microcode updates for several generations of mobile, desktop, and server CPUs to fix a vulnerability that can be exploited to trigger at the very least a denial-of-service condition, but potentially privilege escalation and information disclosure. The flaw can be exploited if an attacker has local code execution on the operating system, including […]

    newswww.csoonline.comNov 15, 2023, 10:07 PM
  • A variety of Intel Core processors and the devices using them are vulnerable to “Downfall”, a new class of attacks made possible by CVE-2022-40982, which enables attackers to access and steal sensitive data such as passwords, encryption keys, and private data from other users on the same personal or cloud computer. CVE-2022-40982 and the Downfall attacks “[CVE-2022-40982] is caused by memory optimization features in Intel processors that unintentionally reveal internal hardware registers to software. This … More →

    newswww.helpnetsecurity.comAug 9, 2023, 9:59 AM
  • Researchers say a whopping 62 percent of AWS environments may be exposed to the newly documented AMD ‘Zenbleed’ information leak flaw.

    newswww.securityweek.comJul 26, 2023, 11:57 PM
  • AMD has released microcode patches to address Zenbleed, a vulnerability in its Zen 2 CPUs that can allow an attacker to access sensitive information.

    newswww.securityweek.comJul 25, 2023, 10:37 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

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