Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
Ivanti Connect Secure, Policy Secure, and ZTA Gateways contains a stack-based buffer overflow vulnerability that allows a remote unauthenticated attacker to achieve remote code execution.
- Vendor
- Ivanti
- Product
- Connect Secure, Policy Secure, and ZTA Gateways
- CVSS
- 9.0
- EPSS (exploit probability)
- 100.0%
- Status
- kevransomware use
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2025-22457 being exploited?
Yes. CISA added CVE-2025-22457 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild. It is also listed in ENISA's EU Vulnerability Database (EUVD) exploited list. CISA marks it as known to be used in ransomware campaigns.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 100.0% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ LISTED ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-11-13. Full cross-catalog view: /kev-comparison
CVE-2025-22457 timeline
Every event links to its source. Catalog dates are each catalog's own; day offsets count from NVD publication. Data: JSON
What to do
CISA required actionApply mitigations as set forth in the CISA instructions linked below.
US federal civilian agencies must remediate by (7 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other Ivanti Connect Secure CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2026-118527 Ivanti Connect Secure Predictable Identifier File Uploadwrite-up | [ UNKNOWN ] | — | 0.8% | |
| CVE-2026-111357 Ivanti Connect Secure Missing Authentication for Critical Function Vulnerabilitywrite-up | [ HIGH ] | 7.0 | 0.5% | |
| CVE-2026-104935 Ivanti Connect Secure Authentication Bypass by Spoofingwrite-up | [ HIGH ] | 8.6 | 88.9% | |
| CVE-2025-0282 Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerabilityransomware use | [ CRITICAL ] | 9.0 | 100.0% | |
| CVE-2024-21893 Ivanti Connect Secure, Policy Secure, and Neurons Server-Side Request Forgery (SSRF) Vulnerabilityransomware use | [ HIGH ] | 8.2 | 100.0% | |
| CVE-2024-21887 Ivanti Connect Secure / Policy Secure Command Injectionransomware usewrite-up | [ CRITICAL ] | 9.1 | 100.0% | |
| CVE-2023-46805 Ivanti Connect Secure / Policy Secure Authentication Bypassransomware usewrite-up | [ HIGH ] | 8.2 | 100.0% | |
| CVE-2021-22900 Ivanti Pulse Connect Secure Unrestricted File Upload Vulnerability | [ HIGH ] | 7.2 | 14.1% |