CVE-2025-22457 (GCVE-0-2025-22457)

Vulnerability from cvelistv5 – Published: 2025-04-03 15:20 – Updated: 2026-08-04 03:55
VLAI CISA ENISA Previdian
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.
Severity
9 (Critical)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-03 00:00 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 79cd4b86-2060-406a-807b-0d7ae3cb02f1

Vulnerability ID: CVE-2025-22457

Status: Confirmed

Status Updated: 2025-04-04 02:00 CEST

Exploited: Yes

Timestamps
First Seen: 2025-04-04
Asserted: 2025-04-04
Scope
Notes: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability | Affected: Ivanti / Connect Secure, Policy Secure, and ZTA Gateways | Description: 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. | Required action: Apply mitigations as set forth in the CISA instructions linked below. | Due date: 2025-04-11 | Known ransomware campaign use (KEV): Known | Notes (KEV): CISA Mitigation Instructions: https://www.cisa.gov/cisa-mitigation-instructions-cve-2025-22457 ; Additional References: https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457 ; https://nvd.nist.gov/vuln/detail/CVE-2025-22457
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-121
Feed CISA Known Exploited Vulnerabilities Catalog
Product Connect Secure, Policy Secure, and ZTA Gateways
Due Date 2025-04-11
Date Added 2025-04-04
Vendorproject Ivanti
Vulnerabilityname Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-10-02 08:09 CEST | Updated: 2026-10-02 08:09 CEST
ENISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 9ff9468e-0b57-49d6-86a7-5a7bb0d29137

Vulnerability ID: CVE-2025-22457

Status: Confirmed

Status Updated: 2026-04-08 02:00 CEST

Exploited: Yes

Timestamps
First Seen: 2026-04-08
Asserted: 2026-04-08
Scope
Notes: Affected: Ivanti / Ivanti Connect Secure | Description: Evidence of active exploitation in the wild against ICS 9.X (end of life) and 22.7R2.5 and earlier versions since April 2025. | Patched since: 2025/02/11 | Exploitation type: unknown | Origin source: CNW
Evidence

Type: Csirt Report

Signal: Successful Exploitation

Confidence: 75%

Source: enisa-cnw-kev

Details
Cwes
Euvd EUVD-2025-9646
Notes
Catalog ENISA / EU CSIRTs Network (CNW) KEV JSON
Product Ivanti Connect Secure
Datereported 2026/04/08
Originsource CNW
Patchedsince 2025/02/11
Vendorproject Ivanti
Exploitationtype unknown
Vulnerabilityname
Threatactorsexploiting
References
Created: 2026-10-02 08:52 CEST | Updated: 2026-10-02 08:52 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 3adec772-ac3c-402b-80da-69ce064d32d8

Vulnerability ID: CVE-2025-22457

Status: Confirmed

Status Updated: 2025-04-04 02:00 CEST

Exploited: Yes

Timestamps
First Seen: 2025-04-04
Asserted: 2025-04-04
Scope
Notes: 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... | Affected: Ivanti / Connect Secure, Policy Secure, Neurons for ZTA gateways | CVSS: 9.0 (CRITICAL) | EPSS: 0.99981 | Used in malware: yes | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: previdian

Details
Feed Previdian (previdian.com)
Title 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...
Cve Id CVE-2025-22457
Vendor Ivanti
Ghsa Id None
Product Connect Secure, Policy Secure, Neurons for ZTA gateways
Added Date 2025-04-04T00:00:00.000Z
Cvss Score 9.0
Epss Score 0.99981
Previous Ids
Cvss Severity CRITICAL
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.99981
Used In Malware yes
Vulnerability Id CVE-2025-22457
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-10-02 09:11 CEST | Updated: 2026-10-02 09:11 CEST
Show details on NVD website
To clipboard 

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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.