Vulnerability · Published Dec 21, 2023 · Assigned by ESET
CVE-2023-5594Improper following of a certificate's chain of trust in ESET security products
High 7.5
In plain English
A high-severity improper certificate validation in ESET Endpoint Antivirus from ESET, spol. s r.o.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 68.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ESET, spol. s r.o. | ESET NOD32 Antivirus | see references |
| ESET, spol. s r.o. | ESET Internet Security | see references |
| ESET, spol. s r.o. | ESET Smart Security Premium | see references |
| ESET, spol. s r.o. | ESET Security Ultimate | see references |
| ESET, spol. s r.o. | ESET Endpoint Antivirus | see references |
| ESET, spol. s r.o. | ESET Endpoint Security | see references |
| ESET, spol. s r.o. | ESET Endpoint Antivirus for Linux 10.0 and above | see references |
| ESET, spol. s r.o. | ESET Server Security for Windows Server | see references |
| ESET, spol. s r.o. | ESET Mail Security for Microsoft Exchange Server | see references |
| ESET, spol. s r.o. | ESET Mail Security for IBM Domino | see references |
| ESET, spol. s r.o. | ESET Security for Microsoft SharePoint Server | see references |
| ESET, spol. s r.o. | ESET File Security for Microsoft Azure | see references |
| ESET, spol. s r.o. | ESET Server Security for Linux 10.1 and above | see references |
Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N