CVE-2023-20588

Debian Linux vulnerability

CVSS

5.5

EPSS

12.4%

EPSS pct

96th

Exploited

No known

A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.

Affected vendor

Debian

Affected product

Debian Linux

CVSS vector

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

Weakness type (CWE)

CWE-369 — Divide By Zero

Published

2023-08-08

Risk analysis

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

Its EPSS score of 12.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2023-20588

Confirm whether Debian Debian Linux is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-20588.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-20588

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