CVE-2023-20572
ASP Hash MAC Brute-Force Vulnerability
Description
An observable timing discrepancy in the ASP could allow a privileged attacker to perform a brute-force attack against the hash message authentication code, allowing the input of an arbitrary message, potentially leading to a loss of data integrity.
INFO
Published Date :
June 26, 2026, 3:53 p.m.
Last Modified :
June 26, 2026, 3:53 p.m.
Remotely Exploit :
No
Source :
AMD
Affected Products
The following products are affected by CVE-2023-20572
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | b58fc414-a1e4-4f92-9d70-1add41838648 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Implement constant-time comparison for HMAC validation.
- Reduce observable timing differences in authentication checks.
- Review and enhance message authentication mechanisms.
- Apply security patches from the vendor.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-20572 vulnerability anywhere in the article.