How severe is CVE-2025-22457?

CVE-2025-22457 has a CVSS score of 9/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2025-22457?

Affected package information for CVE-2025-22457 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2025-22457?

No fixed version has been published for CVE-2025-22457 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2025-22457 actively exploited in the wild?

Yes. There are 2 known exploit references for CVE-2025-22457, including . All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2025-22457?

CVE-2025-22457 has an EPSS (Exploit Prediction Scoring System) score of 58.9%, placing it in the 98th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2025-22457 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2025-22457 (Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2025-04-04. CISA required all US federal civilian agencies to remediate this vulnerability by 2025-04-11. The required action was: Apply mitigations as set forth in the CISA instructions linked below. This CVE has been used in known ransomware campaigns. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2025-22457?

CVE-2025-22457 is classified as CWE-121 (CWE-121), Out-of-bounds Write (CWE-787). These weakness types describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2025-22457?

CVE-2025-22457 affects ivanti connect secure (1 version, e.g. 22.7); ivanti policy secure (1 version, e.g. 22.7); ivanti zero trust access gateway (1 version, e.g. 22.8). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2025-22457 published, and has it been updated?

CVE-2025-22457 was published on April 3, 2025 and was last updated on October 24, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2025-04-04 — agencies required to remediate by 2025-04-11 · Ransomware

CVE-2025-22457

CRITICAL

A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTA Gateways before version 22.8R2.2 allows…

Published

Apr 3, 2025

Updated

Oct 24, 2025

Affected

0 pkgs

Patched

None yet

Exploits

2 known

EPSS Exploitation Probability

via FIRST.org ↗

58.9%probability of exploitation in next 30 days

High Risk98th percentile+3.04%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTA Gateways before version 22.8R2.2 allows a remote unauthenticated attacker to achieve remote code execution.

Affected Products

3 products · 23 configurations

Application

connect secureivanti

< 22.7

1 version

22.7

Application

policy secureivanti

< 22.7

1 version

22.7

Application

zero trust access gatewayivanti

< 22.8

1 version

22.8

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

sfewer-r7/CVE-2025-22457

PoC for CVE-2025-22457 - A remote unauthenticated stack based buffer ove

⭐ 73🍴 15Apr 2026

securekomodo/CVE-2025-22457

CVE-2025-22457: Python Exploit POC Scanner to Detect Ivanti Connect Secu

⭐ 18🍴 5Jun 2026

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2025-22457 in your stack?

O3 detects CVE-2025-22457 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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