SB2025081240 - Multiple vulnerabilities in Ivanti Connect Secure and Policy Secure

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Main Vulnerability Database SB2025081240

SB2025081240 - Multiple vulnerabilities in Ivanti Connect Secure and Policy Secure

Published: August 12, 2025

Security Bulletin ID SB2025081240
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2025-5456)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition. A remote attacker can send specially crafted requests to the system, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.


2) NULL pointer dereference (CVE-ID: CVE-2025-5462)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.


3) XML Entity Expansion (CVE-ID: CVE-2025-5466)

CWE-ID: CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to perform a denial of service attack.

The vulnerability exists due to insufficient input validation when handling XML data. A remote user with admin privileged can perform a denial of service (DoS) attack.




4) Link following (CVE-ID: CVE-2025-5468)

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to read arbitrary files on the system.

The vulnerability exists due to an insecure link following issue. A local user can create a specially crafted symbolic link to a critical file on the system and read its contents.


Remediation

Install update from vendor's website.

References