Cyber999 Advisories

21 October 2026     Advisory

Remote Code Execution Vulnerability in Ivanti Connect Secure


1.0 Introduction

Recently, Ivanti has released security updates to address an actively exploited vulnerability (CVE-2026-104935) in Ivanti Connect Secure (ICS). 

2.0 Impact

Successful exploitation may allow a remote attacker without privileges to execute arbitrary commands on the appliance, with low complexity and no user interaction. CISA reports that threat actors are exploiting the flaw for credential theft and data exfiltration. Volexity reported that a threat actor it tracks as UTA0576 has chained this vulnerability with other flaws since at least 3 October to achieve unauthenticated root-level code execution on fully patched devices, and that Ivanti is still working on a fix for a privilege escalation flaw used in the same chain. The Integrity Checker Tool may not detect exploitation because the attacker’s commands execute in memory.

3.0 Affected Products

  • Ivanti Connect Secure 25.1.1.1 and prior
  • Ivanti Connect Secure 25.1.2.2 and prior
  • Ivanti Connect Secure 22.8R2.4 and prior

4.0 Recommendation

CyberSecurity Malaysia encourages users and administrators to review the following Ivanti security advisory and apply the necessary updates. Ivanti lists 25.1.1.2, 25.1.3.0, 25.1.3.1 and 22.8R2.5 as resolved versions. Administrators on 22.8.x should move to 25.1.1.2 or later where possible, and otherwise apply 22.8R2.5. ICS 22.8 reaches end of life on 31 January 2027. Ivanti has stated it has no reliable indicators of compromise, so organisations that suspect exploitation should follow Ivanti’s recovery instructions. Organisations should also review authentication and appliance logs for unusual activity, and reset credentials stored on or passing through affected appliances if compromise is suspected.

Kindly refer to the following URL:

Generally, we advise users to be updated with the latest security announcements by the vendor and follow best practice security policies to determine which updates should be applied.

For further enquiries, please contact Cyber999 Incident Response Centre through the following channels:

E-mail: cyber999[at]cybersecurity.my
Phone: 1-300-88-2999 (monitored during business hours)
Mobile: +60 19 2665850 (24x7 call incident reporting)
Business Hours: Mon - Fri 08:30 -17:30 MYT
Web:
https://www.cybersecurity.my

5.0 References

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CyberSecurity Malaysia is the national cyber security specialist agency under the purview of the Ministry of Digital (KD)
 
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