CVE-2025-0282: in the CISA KEV catalogue

Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability. CISA added CVE-2025-0282 to the Known Exploited Vulnerabilities catalogue on 2025-01-08 with a default due date of 2025-01-15. Known ransomware campaign use: Known. Forensic triage flag: No.

Ivanti Connect Secure, Policy Secure, and ZTA Gateways contain a stack-based buffer overflow which can lead to unauthenticated remote code execution. (CISA description)

Vendor / product: Ivanti Connect Secure, Policy Secure, and ZTA Gateways
CWE: CWE-121
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.
EPSS: 100%, percentile 99 (scored 2026-11-03)

EPSS puts nearly every time in 100 odds (100%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.

Vendor and reference links (from CISA)

Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.

Data dates. CISA KEV catalogue version 2026.11.03, released 2026-11-03, 1,767 entries (checked 2026-11-03). EPSS model v2026.06.15, scored 2026-11-03, 399,388 CVEs. Sources: CISA and FIRST (EPSS by FIRST; scores generated by Empirical Security). Copied to our own database and refreshed automatically; if a refresh fails, the previous copy keeps serving with its own date.

Frequently asked questions

Is CVE-2025-0282 in the CISA KEV catalogue?

Yes. CISA added CVE-2025-0282 (Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2025-01-08. CISA's default due date for it is 2025-01-15.

Is CVE-2025-0282 used in ransomware attacks?

CISA marks known ransomware campaign use as Known for CVE-2025-0282.

What should I do about CVE-2025-0282?

CISA's 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.

Sources

CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
NVD record for CVE-2025-0282