CVE-2025-22457

Ivanti Connect Secure, Policy Secure, and ZTA Gateways: Stack-Based Buffer Overflow

As of , CVE-2025-22457 in Ivanti Connect Secure, Policy Secure, and ZTA Gateways is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 4 April 2025
US federal deadline
11 April 20257 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
KnownCISA changed it from Unknown to Known on 12 May 2025.
EPSS score
0.99Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
Public exploit
1 Metasploit module
Fix
Vendor advice: forums.ivanti.comLinks below, from CISA's entry.

What CISA says to do

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

CISA's required action

What the flaw is

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.

CISA's 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.

The CVE record's description, from ivanti

CVE published
3 April 2025
Assigned by
ivanti
CVSS
9.0 Critical (CVSS 3.1, from the CNA)
CWE-121
Stack-based Buffer Overflow
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. CISA changed its entry. Edited: required action.
  4. The US federal deadline to fix it.
  5. CISA changed its entry. Renamed from Connect Secure, Policy Secure and ZTA Gateways to Connect Secure, Policy Secure, and ZTA Gateways. Edited: notes, description and name.
  6. CISA changed its entry. Ransomware use: Unknown to Known.

Public exploits

Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.

Connect Secure, Policy Secure, and ZTA Gateways: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2025-0282Stack-Based Buffer OverflowIvanti Connect Secure, Policy Secure, and ZTA GatewaysPatch this weekRansomware use; EPSS 0.990.99

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