AUGUST 4, 2026
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Case File

CVE-2023-52440

HIGH · CVSS 7.8 EPSS 36.69%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-02-21 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Exchange, Linux. Its EPSS score suggests a 36.7% probability of exploitation in the next 30 days.

CVE
CVE-2023-52440
Severity
HIGH
CVSS
7.8
EPSS
36.69%
Exchange Linux

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob() If authblob->SessionKey.Length is bigger than session key size(CIFS_KEY_SIZE), slub overflow can happen in key exchange codes. cifs_arc4_crypt copy to session key array from SessionKey from client.

Related CVEs

Other vulnerabilities affecting the same vendor(s)