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CVE-2025-0282: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability

CVE-2025-0282 is rated critical with a CVSS v3.1 base score of 9.0 and affects Ivanti Connect Secure, Policy Secure, and ZTA Gateways, along with 1 other product in NVD’s configuration data. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available. CISA added it to its Known Exploited Vulnerabilities catalog on 2025-01-08, which means exploitation in the wild has been observed.

Vulnerability description

A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.5, Ivanti Policy Secure before version 22.7R1.2, and Ivanti Neurons for ZTA gateways before version 22.7R2.3 allows a remote unauthenticated attacker to achieve remote code execution.

Severity breakdown

CVSS v3.1 9.0: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: High. Success depends on conditions outside the attacker’s control.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Changed. Impact reaches beyond the vulnerable component to other resources.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-121: Stack-based Buffer Overflow

The product writes past the end of a buffer that was allocated on the stack.

CWE-787: Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Affected products

  • Ivanti Connect Secure: 22.7 r2; 22.7 r2.1; 22.7 r2.2; 22.7 r2.3; 22.7 r2.4
  • Ivanti Policy Secure: 22.7 r1; 22.7 r1.1; 22.7 r1.2
  • Ivanti Neurons For Zero Trust Access: 22.7 r2; 22.7 r2.2; 22.7 r2.3

References