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ZyxelCVELIST:CVE-2023-5593

HistoryNov 20, 2023 - 12:03 p.m.

CVE-2023-5593

2023-11-2012:03:16

CWE-787

Zyxel

www.cve.org

windows

secuextender

ssl vpn client

out-of-bounds write

vulnerability

privilege escalation

create message

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0004 Low

EPSS

Percentile

5.1%

JSON

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.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "Windows"
    ],
    "product": "SecuExtender SSL VPN Client",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.0.4.0"
      }
    ]
  }
]

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-secuextender-ssl-vpn-client-software

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0004 Low

EPSS

Percentile

5.1%

JSON

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