CVE-2025-0282: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 8 Jan 2025, the same day the CVE record was published.
- How likely is exploitation in the next 30 days?
- 100%
EPSS score, percentile 100 of all scored records
- How severe?
- 9.0 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA deadline 15 Jan 2025. Apply mitigations as set forth in the CISA instructions linked below to include conducting hunt activities, taking remediation actions if applicable … Full text
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- 22.7R2 through 22.7R2.4
- 22.7R1 through 22.7R1.2
- 22.7R2 through 22.7R2.3
Unaffected 22.7R2.5; 22.7R2.5
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by 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.
CISA due date for this action: 15 January 2025.
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
- https://www.cisa.gov/cisa-mitigation-instructions-CVE-2025-0282
- https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-0282-CVE-2025-0283
- https://nvd.nist.gov/vuln/detail/CVE-2025-0282
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | 22.7R2 through 22.7R2.4 |
| Unaffected | 22.7R2.5 |
Versions not listed are: unaffected.
| Status | Versions |
|---|---|
| Affected | 22.7R1 through 22.7R1.2 |
Versions not listed are: unaffected.
| Status | Versions |
|---|---|
| Affected | 22.7R2 through 22.7R2.3 |
| Unaffected | 22.7R2.5 |
Versions not listed are: unaffected.
Versions the record lists as unaffected: 22.7R2.5.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
Ivanti Connect Secure, Policy Secure, and ZTA Gateways contain a stack-based buffer overflow which can lead to unauthenticated remote code execution.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2025-0282 to its Known Exploited Vulnerabilities (KEV) catalog on 8 Jan 2025.
- CISA marks it as known to be used in ransomware campaigns.
- The due date CISA sets for the required action is 15 Jan 2025.
- The CVE record was published on 8 Jan 2025, the same day it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 9.0 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 100% (percentile 100), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
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.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
- CWE-121: Stack-based Buffer Overflow
Attack patterns (CAPEC)
- CAPEC-100: Overflow Buffers
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 8 Jan 2025 | CVE record published |
| 8 Jan 2025 | Added to CISA KEV |
| 15 Jan 2025 | CISA due date for the required action |
| 1 Oct 2026 | CVE record last updated |
References
More exploited Ivanti vulnerabilities
- CVE-2026-104935: Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability
- CVE-2026-10520: Ivanti Sentry OS Command Injection Vulnerability
- CVE-2026-6973: Ivanti Endpoint Manager Mobile (EPMM) Improper Input Validation Vulnerability
- CVE-2026-1340: Ivanti Endpoint Manager Mobile (EPMM) Code Injection Vulnerability
- CVE-2026-1603: Ivanti Endpoint Manager (EPM) Authentication Bypass Vulnerability
- CVE-2026-1281: Ivanti Endpoint Manager Mobile (EPMM) Code Injection Vulnerability