CVE-2023-5594: Improper following of a certificate's chain of trust in ESET security products
First published: Thu Dec 21 2023(Updated: )
Improper validation of the server’s certificate chain in secure traffic scanning feature considered intermediate certificate signed using the MD5 or SHA1 algorithm as trusted.
Credit: security@eset.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ESET Endpoint Antivirus for Linux | >=10.0 | |
| ESET Endpoint Antivirus | ||
| ESET Endpoint Security | ||
| ESET File Security for Azure | ||
| ESET Internet Security | ||
| ESET Mail Security for IBM Domino | ||
| ESET Mail Security for Microsoft Exchange Server | ||
| ESET NOD32 Antivirus | ||
| ESET Mail Security for Microsoft SharePoint Server | ||
| ESET Security | ||
| ESET Server Security | >=10.1 | |
| ESET Server Security for Windows Server | ||
| ESET Smart Security for Windows |
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Frequently Asked Questions
What is the severity of CVE-2023-5594?
CVE-2023-5594 has been classified as a medium severity vulnerability due to improper validation of the server's certificate chain.
How do I fix CVE-2023-5594?
To fix CVE-2023-5594, ensure you update your ESET security products to the latest version where the vulnerability is patched.
Which ESET products are affected by CVE-2023-5594?
CVE-2023-5594 affects multiple ESET products, including ESET Endpoint Antivirus for Linux, ESET Endpoint Security for Windows, and ESET NOD32 Antivirus.
What type of attack does CVE-2023-5594 allow?
CVE-2023-5594 could allow an attacker to exploit the flaw to perform man-in-the-middle attacks by misusing intermediate certificates.
When was CVE-2023-5594 disclosed?
CVE-2023-5594 was disclosed in October 2023 as part of ESET's security advisory to address the vulnerability.
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