This report was translated by AI; nobody has reviewed the translation yet. Original language: Czech.

[TLP:CLEAR] Ivanti fixes 4 vulnerabilities

Ivanti fixes 4 vulnerabilities in Ivanti Connect Secure, Policy Secure, ZTA Gateways and Neurons for Secure Access [1]. Products and their fixes [1]: Ivanti Connect Secure - 22.7R2.8, 22.8R2 Ivanti Policy Secure - 22.7R1.5 Ivanti ZTA Gateway - 22.8R2.3-723 Ivanti Neurons for Secure Access - 22.8R1.4

Ivanti Connect Secure, Policy Secure, ZTA Gateway and Neurons for Secure Access - DoS (CVE-2025-5456)
CVSS 7.5 (High)

An unauthenticated remote attacker, due to a buffer over-read vulnerability, is able to carry out a DoS attack [1].

The vulnerability is present in products:

  • Ivanti Connect Secure; <=22.7R2.7
  • Ivanti Policy Secure ; <=22.7R1.4
  • Ivanti ZTA Gateway; =22.8R2.2
  • Ivanti Neurons for Secure Access; <=22.8R1.3

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

More information:

The vulnerability was publicly disclosed 12. 8. 2025.

Ivanti Connect Secure, Policy Secure, ZTA Gateway and Neurons for Secure Access - (CVE-2025-5462)
CVSS 7.5 (High)

An unauthenticated remote attacker, due to a heap-based buffer overflow vulnerability, is able to carry out a DoS attack [1].

The vulnerability is present in products:

  • Ivanti Connect Secure; <=22.7R2.7
  • Ivanti Policy Secure ; <=22.7R1.4
  • Ivanti ZTA Gateway; =22.8R2.2
  • Ivanti Neurons for Secure Access; <=22.8R1.3

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

More information:

The vulnerability was publicly disclosed 12. 8. 2025.

Ivanti Connect Secure, Policy Secure, ZTA Gateway and Neurons for Secure Access - arbitrary files read (CVE-2025-5468)
CVSS 5.5 (Medium)

An authenticated local attacker, due to improper handling of symbolic links, is able to read arbitrary files on the disk [1].

The vulnerability is present in products:

  • Ivanti Connect Secure; <=22.7R2.7
  • Ivanti Policy Secure ; <=22.7R1.4
  • Ivanti ZTA Gateway; =22.8R2.2
  • Ivanti Neurons for Secure Access; <=22.8R1.3

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

More information:

The vulnerability was publicly disclosed 12. 8. 2025.

Ivanti Connect Secure, Policy Secure, ZTA Gateway and Neurons for Secure Access - DoS (CVE-2025-5466)
CVSS 4.9 (Medium)

An authenticated remote attacker with administrator privileges, due to an XXE vulnerability, is able to carry out a DoS attack [1].

The vulnerability is present in products:

  • Ivanti Connect Secure; <=22.7R2.7
  • Ivanti Policy Secure ; <=22.7R1.4
  • Ivanti ZTA Gateway; =22.8R2.2
  • Ivanti Neurons for Secure Access; <=22.8R1.3

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

More information:

  • CVE-2025-5466 at cve.org, NVD
  • CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') at cwe.mitre.org

The vulnerability was publicly disclosed 12. 8. 2025.


By CESNET, z.s.p.o. Michaela Jarošová on 14. 8. 2025.

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