Unrestricted file upload in Pulse Connect Secure / Pulse Policy Secure
Priority CRITICAL 91Exploited in the wildCWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.
Summary
A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary code execution using uncontrolled gzip extraction.
Why it matters now
Exploitation Active In CISA KEV since 2021-11-03CISA due date 2022-05-03
EPSS 0.9648 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | Pulse Connect Secure / Pulse Policy Secure | 9.1R9 | — | No fix listed | CNA |
- Pulse Connect Secure / Pulse Policy Secure Vendor— Affected 9.1R9 Fixed in — No fix listed CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:* | up to 9.0 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:* | 9.1 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r1.0:*:*:*:*:*:* | 9.1 r1.0 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r2.0:*:*:*:*:*:* | 9.1 r2.0 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r3.0:*:*:*:*:*:* | 9.1 r3.0 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r4.0:*:*:*:*:*:* | 9.1 r4.0 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:* | 9.1 r4.1 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:* | 9.1 r4.2 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:* | 9.1 r4.3 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r5.0:*:*:*:*:*:* | 9.1 r5.0 | Vulnerable | Ivanti |
- cpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:* Versions up to 9.0 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:* Versions 9.1 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r1.0:*:*:*:*:*:* Versions 9.1 r1.0 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r2.0:*:*:*:*:*:* Versions 9.1 r2.0 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r3.0:*:*:*:*:*:* Versions 9.1 r3.0 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r4.0:*:*:*:*:*:* Versions 9.1 r4.0 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:* Versions 9.1 r4.1 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:* Versions 9.1 r4.2 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:* Versions 9.1 r4.3 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r5.0:*:*:*:*:*:* Versions 9.1 r5.0 Vulnerable ·Ivanti
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ivanti:connect_secure:9.1:r6.0:*:*:*:*:*:* | 9.1 r6.0 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r7.0:*:*:*:*:*:* | 9.1 r7.0 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r8.0:*:*:*:*:*:* | 9.1 r8.0 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r8.1:*:*:*:*:*:* | 9.1 r8.1 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r8.2:*:*:*:*:*:* | 9.1 r8.2 | Vulnerable | Ivanti |
| cpe:2.3:a:ivanti:connect_secure:9.1:r8.4:*:*:*:*:*:* | 9.1 r8.4 | Vulnerable | Ivanti |
- cpe:2.3:a:ivanti:connect_secure:9.1:r6.0:*:*:*:*:*:* Versions 9.1 r6.0 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r7.0:*:*:*:*:*:* Versions 9.1 r7.0 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r8.0:*:*:*:*:*:* Versions 9.1 r8.0 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r8.1:*:*:*:*:*:* Versions 9.1 r8.1 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r8.2:*:*:*:*:*:* Versions 9.1 r8.2 Vulnerable ·Ivanti
- cpe:2.3:a:ivanti:connect_secure:9.1:r8.4:*:*:*:*:*:* Versions 9.1 r8.4 Vulnerable ·Ivanti
Remediation
No fixed version listed by the sources yet.
Timeline
- 2021-11-03 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2020-8260
- 2026-10-03 Alias added: GHSA-mc4h-hp66-ccmh
References
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-2025-00226 Stack-based buffer overflow in Ivanti Connect Secure KEVCVSS 3.1CRITICAL 9.0
- 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
Sources
- CVE-2020-8260 · CVE Program
- CVE-2020-8260 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-mc4h-hp66-ccmh · GitHub Advisory Database · CC BY 4.0
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