Stack-based buffer overflow in Ivanti Connect Secure
Priority CRITICAL 98Exploited in the wildCWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation Active In CISA KEV since 2025-01-08CISA due date 2025-01-15Known ransomware use
EPSS 0.99981 99th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix Fixed Connect Secure (Ivanti): 22.7R2.5Neurons for ZTA gateways (Ivanti): 22.7R2.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Ivanti | Connect Secure | 22.7R2 – 22.7R2.4 | 22.7R2.5 | Patch available | CNA |
| Ivanti | Policy Secure | 22.7R1 – 22.7R1.2 | — | No fix listed | CNA |
| Ivanti | Neurons for ZTA gateways | 22.7R2 – 22.7R2.3 | 22.7R2.5 | Patch available | CNA |
- Connect Secure VendorIvanti Affected 22.7R2 – 22.7R2.4 Fixed in 22.7R2.5 Patch available CNA
- Policy Secure VendorIvanti Affected 22.7R1 – 22.7R1.2 Fixed in — No fix listed CNA
- Neurons for ZTA gateways VendorIvanti Affected 22.7R2 – 22.7R2.3 Fixed in 22.7R2.5 Patch available CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ivanti:connect_secure:22.7:r2:*:*:*:*:*:* | 22.7 r2 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:22.7:r2.1:*:*:*:*:*:* | 22.7 r2.1 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:22.7:r2.2:*:*:*:*:*:* | 22.7 r2.2 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:22.7:r2.3:*:*:*:*:*:* | 22.7 r2.3 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:22.7:r2.4:*:*:*:*:*:* | 22.7 r2.4 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:neurons_for_zero-trust_access:22.7:r2:*:*:*:*:*:* | 22.7 r2 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:neurons_for_zero-trust_access:22.7:r2.2:*:*:*:*:*:* | 22.7 r2.2 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:neurons_for_zero-trust_access:22.7:r2.3:*:*:*:*:*:* | 22.7 r2.3 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:policy_secure:22.7:r1:*:*:*:*:*:* | 22.7 r1 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:policy_secure:22.7:r1.1:*:*:*:*:*:* | 22.7 r1.1 | Vulnerable | Ivanti |
- cpe:2.3:a:ivanti:connect_secure:22.7:r2:*:*:*:*:*:* Versions 22.7 r2 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:22.7:r2.1:*:*:*:*:*:* Versions 22.7 r2.1 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:22.7:r2.2:*:*:*:*:*:* Versions 22.7 r2.2 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:22.7:r2.3:*:*:*:*:*:* Versions 22.7 r2.3 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:22.7:r2.4:*:*:*:*:*:* Versions 22.7 r2.4 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:neurons_for_zero-trust_access:22.7:r2:*:*:*:*:*:* Versions 22.7 r2 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:neurons_for_zero-trust_access:22.7:r2.2:*:*:*:*:*:* Versions 22.7 r2.2 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:neurons_for_zero-trust_access:22.7:r2.3:*:*:*:*:*:* Versions 22.7 r2.3 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:policy_secure:22.7:r1:*:*:*:*:*:* Versions 22.7 r1 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:policy_secure:22.7:r1.1:*:*:*:*:*:* Versions 22.7 r1.1 Vulnerable ·Ivanti
Remediation
- Fix · CNA Connect Secure (Ivanti) Fixed in 22.7R2.5
- Fix · CNA Neurons for ZTA gateways (Ivanti) Fixed in 22.7R2.5
Timeline
- 2025-01-08 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2025-0282
- 2026-10-03 Alias added: GHSA-rf94-f4r9-6gxh
References
Exploit 3
More Ivanti Connect Secure vulnerabilities
- TI-2025-16349 Stack-based buffer overflow in Ivanti Connect Secure KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05754 Improper authentication in Pulse Connect Secure KEVCVSS 3.1CRITICAL 10.0
- TI-2019-08600 In Pulse Secure Pulse Connect Secure (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and… KEVCVSS 3.1CRITICAL 10.0
- TI-2024-14549 Command injection in Ivanti ICS KEVCVSS 3.1CRITICAL 9.1
- TI-2021-05760 Command injection in Pulse Connect Secure KEVCVSS 3.1HIGH 8.8
- TI-2021-05755 Code injection in Pulse Connect Secure KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2025-0282 · CVE Program
- CVE-2025-0282 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-rf94-f4r9-6gxh · GitHub Advisory Database · CC BY 4.0
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