CVE-2023-20569

Fedora vulnerability

CVSS

4.7

EPSS

6.7%

EPSS pct

93th

Exploited

No known

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.

Affected vendor

Fedoraproject

Affected product

Fedora

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness type (CWE)

CWE-203

Published

2023-08-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, high attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 6.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2023-20569

Confirm whether Fedoraproject Fedora is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-20569.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-20569

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-20569 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2023-20569?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2023-20569.

Start free scan

No credit card. Agentless.

Related vulnerabilities

Netqmail vulnerability

MEDIUM

CVE-2011-0421

Php vulnerability