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Fencer Intel
critical 9.0

CVE-2025-22457 kev+ ransomware in the critical feed json

A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZT…

published last yr. modified 3mo ago also EUVD-2025-9646

cvss
9.0
version 3.1, CNA
cisa kev
Exploited
added 2025-04-04, used in ransomware
epss
100.0%
EPSS 100.0% chance of exploitation in 30 days, percentile 99.9%
public exploits
1
Metasploit

Summary

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.

Patch / fix

cisa required action Apply mitigations as set forth in the CISA instructions linked below.

  • Ivanti Connect Secure 22.7R2.6
  • Ivanti Policy Secure 22.7R1.4
  • Ivanti Neurons for ZTA gateways 22.8R2.2

Is CVE-2025-22457 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Timeline

  1. CISA SSVC: exploitation active
  2. First public exploit (Metasploit exploit/linux/http/ivanti_connect_secure_stack_overflow_rce_cve_2025_22457)
  3. Published
  4. Added to CISA KEV
  5. CISA patch deadline

Known exploited

Added
last yr.
Patch by
2025-04-11 (last yr.)
Ransomware
Known to be used in ransomware campaigns
Required action
Apply mitigations as set forth in the CISA instructions linked below.
Vendor, product
Ivanti, Connect Secure, Policy Secure, and ZTA Gateways
CISA name
Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability

ATT&CK techniques

How it is exploited and what it leads to, in MITRE ATT&CK terms.

  • T1190 Exploit Public-Facing Application exploitation
  • T1059 Command and Scripting Interpreter primary impact

kev release 2025-07-28, att&ck v16.1. KEV to ATT&CK mappings by the MITRE Center for Threat-Informed Defense (Mappings Explorer, Apache-2.0). © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. Terms of use

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

99.98% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
CNA 3.1 9.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Ivanti Connect Secure
  • Ivanti Policy Secure
  • Ivanti Neurons for ZTA gateways

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.