CVE-2025-0282: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
Affects Ivanti Connect Secure, Policy Secure, and ZTA GatewaysSource CISA KEV
Exploited in the wild · used in ransomware campaigns · KEV due 15 Jan 2025 · public exploit available (Exploit-DB) · 99% EPSS : apply the vendor's fix or mitigations to Ivanti Connect Secure, Policy Secure, and ZTA Gateways now.
Data as of 10/24/2026, 22:16:00 UTC
- Exploitation
Actively exploited – in CISA KEV since 01/08/2025
- KEV deadline
- 01/15/2025 US federal agencies must patch by this date; a sensible deadline for everyone else.
- Ransomware
- Used in ransomware campaigns
- EPSS
- 99.9% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Public exploits
- 1 Exploit-DB entry, a Nuclei detection templatePublic attack or detection tooling exists; see Public exploits below.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HWhat to do
CISA required action
Apply mitigations as set forth in the CISA instructions linked below to include conducting hunt activities, taking remediation actions if applicable, and applying updates prior to returning a device to service.
Check the firmware or software version for Ivanti Connect Secure, Policy Secure, and ZTA Gateways in the device's admin interface against the vendor advisory.
Public exploits and detection
Exploit-DB
Nuclei detection templates
Public tooling indexed from Metasploit Framework, Exploit-DB and ProjectDiscovery nuclei-templates. Its existence raises the odds of exploitation; it does not confirm attacks.
Description
Ivanti Connect Secure, Policy Secure, and ZTA Gateways contain a stack-based buffer overflow which can lead to unauthenticated remote code execution.
Weaknesses
- CWE-121Stack-based Buffer Overflow (opens in a new tab)
Variant weaknessLikelihood of exploit: HighCWE Top 25 (2025): #14
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
References
- cisa.gov/cisa-mitigation-instructions-CVE-2025-0282 (opens in a new tab)
- forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-0282-CVE-2025-0283 (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2025-0282 (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?search=CVE-2025-0282 (opens in a new tab)