Vulnerability Details : CVE-2023-5593
The out-of-bounds write vulnerability in the Windows-based SecuExtender SSL VPN Client software version 4.0.4.0 could allow an authenticated local user to gain a privilege escalation by sending a crafted CREATE message.
Vulnerability category: Memory CorruptionGain privilege
Products affected by CVE-2023-5593
- cpe:2.3:a:zyxel:secuextender_ssl_vpn:4.0.4.0:*:*:*:*:windows:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-5593
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-5593
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Zyxel Corporation |
CWE ids for CVE-2023-5593
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: security@zyxel.com.tw (Secondary)
References for CVE-2023-5593
-
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-secuextender-ssl-vpn-client-software
Security Advisories | Zyxel NetworksPatch;Vendor Advisory
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