CVE-2025-0282: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability

Reference page built from the source records below, each shown as its source publishes it. Dataset version ref-555fde6dea95, updated 2026-11-02T23:39:54.475Z.

CISA Known Exploited Vulnerabilities

Name: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
Vendor: Ivanti
Product: Connect Secure, Policy Secure, and ZTA Gateways
Added to the catalog: 2025-01-08
Due date for US federal agencies: 2025-01-15
Weaknesses: CWE-121
Catalog version: 2026.10.30

Ivanti Connect Secure, Policy Secure, and ZTA Gateways contain a stack-based buffer overflow which can lead to unauthenticated remote code execution.

Required action (CISA)

Apply mitigations as set forth in the CISA instructions linked below to include conducting hunt activities, taking remediation actions if applicable, and applying updates prior to returning a device to service.

Ransomware use: CISA marks this vulnerability as known to be used in ransomware campaigns. CISA does not say which group used it.

Links in CISA's notes

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status: Analyzed
Published: 2025-01-08T23:15:09.763
Last modified: 2026-10-01T19:17:15.743
Weaknesses: CWE-121, CWE-787

A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.5, Ivanti Policy Secure before version 22.7R1.2, and Ivanti Neurons for ZTA gateways before version 22.7R2.3 allows a remote unauthenticated attacker to achieve remote code execution.

Metric	Score	Severity	Vector	Scored by
CVSS 3.1	9	CRITICAL	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H	3c1d8aa1-5a33-4ea4-8992-aadd6440af75 (Secondary)
CVSS 3.1	9	CRITICAL	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H	[email protected] (Primary)

References

https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-0282-CVE-2025-0283 (Vendor Advisory)
https://cloud.google.com/blog/topics/threat-intelligence/ivanti-connect-secure-vpn-zero-day (Exploit, Technical Description)
https://www.cisa.gov/cisa-mitigation-instructions-cve-2025-0282 (Third Party Advisory, US Government Resource)
https://github.com/sfewer-r7/CVE-2025-0282 (Exploit)
https://labs.watchtowr.com/exploitation-walkthrough-and-techniques-ivanti-connect-secure-rce-cve-2025-0282/ (Exploit, Third Party Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-0282 (US Government Resource)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-0282 (US Government Resource)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:42:15.686Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-0282

CVE record

Assigner: ivanti
State: PUBLISHED
Published: 2025-01-08T22:15:09.386Z
Updated: 2026-10-01T18:13:43.187Z
Problem types: CWE-121: Stack-based Buffer Overflow

References

https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-0282-CVE-2025-0283

Read on 2026-11-03T02:14:37.616Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/0xxx/CVE-2025-0282.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

CWE-121: Stack-based Buffer Overflow

Isolate: Application-based Process Isolation (acts on Subroutine)
Harden: Software Update (acts on Software)
Harden: Domain Logic Validation (acts on Subroutine)
Harden: Trusted Library (acts on Subroutine)
Restore: Restore Software (acts on Software)
Model: Software Inventory (acts on Software)
Harden: Variable Initialization (acts on Subroutine)
Model: Asset Vulnerability Enumeration (acts on Software)
Harden: Credential Scrubbing (acts on Subroutine)

D3FEND ontology version 1.6.0.

Read on 2026-11-02T23:54:42.171Z under licence d3fend-terms-of-use@f98cbc7e from https://d3fend.mitre.org/api/weakness/cwe/CWE-121.json

CWE-787: Out-of-bounds Write

Harden: Variable Initialization (acts on Subroutine)
Harden: Trusted Library (acts on Subroutine)
Harden: Software Update (acts on Software)
Model: Asset Vulnerability Enumeration (acts on Software)
Model: Software Inventory (acts on Software)
Harden: Domain Logic Validation (acts on Subroutine)
Harden: Credential Scrubbing (acts on Subroutine)
Isolate: Application-based Process Isolation (acts on Subroutine)
Restore: Restore Software (acts on Software)

D3FEND ontology version 1.6.0.

Read on 2026-11-03T00:02:57.820Z under licence d3fend-terms-of-use@f98cbc7e from https://d3fend.mitre.org/api/weakness/cwe/CWE-787.json

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"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/

Sources and licences

CISA
Source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30, CC0 1.0. Use of this data does not imply endorsement by CISA or DHS.
CC0 1.0 Universal
National Vulnerability Database (NIST)
This product uses the NVD API but is not endorsed or certified by the NVD.
NVD API Terms of Use (NIST publications in the public domain, 17 U.S.C. 105)
CVE Program, The MITRE Corporation
Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation. CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
CVE Program Terms of Use ("CVE Usage" licence)
MITRE D3FEND
MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/
MITRE D3FEND Terms of Use (site + knowledge graph); source repo MIT

Cite this page

Dragons Eye Ransomware Tracker, "CVE-2025-0282: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability",
entity page, dataset version ref-555fde6dea95, updated 2026-11-02T23:39:54.475Z,
https://ransomware-tracker.com/cve/CVE-2025-0282 (accessed 2026-11-03).
Underlying source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30.
Underlying source: National Vulnerability Database (NIST), CVE API 2.0, record last modified 2026-10-01T19:17:15.743.
Underlying source: CVE List (CVE Program, The MITRE Corporation), record updated 2026-10-01T18:13:43.187Z.
Underlying source: MITRE D3FEND, ontology version 1.6.0.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.

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