Improper input validation in Pulse Connect Secure / Pulse Policy Secure
Priority LOW 27CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary file reading vulnerability is fixed using encrypted URL blacklisting that prevents these messages.
Why it matters now
EPSS 0.02264 83rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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 · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:*:*:*:*:*:linux:*:* | before 9.1 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:-:*:*:*:linux:*:* | 9.1 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r1:*:*:*:linux:*:* | 9.1 r1 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r2:*:*:*:linux:*:* | 9.1 r2 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r3:*:*:*:linux:*:* | 9.1 r3 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r3.1:*:*:*:linux:*:* | 9.1 r3.1 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4:*:*:*:linux:*:* | 9.1 r4 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4.1:*:*:*:linux:*:* | 9.1 r4.1 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4.2:*:*:*:linux:*:* | 9.1 r4.2 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r5:*:*:*:linux:*:* | 9.1 r5 | Vulnerable | Pulse Secure |
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:*:*:*:*:*:linux:*:* Versions before 9.1 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:-:*:*:*:linux:*:* Versions 9.1 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r1:*:*:*:linux:*:* Versions 9.1 r1 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r2:*:*:*:linux:*:* Versions 9.1 r2 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r3:*:*:*:linux:*:* Versions 9.1 r3 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r3.1:*:*:*:linux:*:* Versions 9.1 r3.1 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4:*:*:*:linux:*:* Versions 9.1 r4 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4.1:*:*:*:linux:*:* Versions 9.1 r4.1 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4.2:*:*:*:linux:*:* Versions 9.1 r4.2 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r5:*:*:*:linux:*:* Versions 9.1 r5 Vulnerable ·Pulse Secure
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r6:*:*:*:linux:*:* | 9.1 r6 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r7:*:*:*:linux:*:* | 9.1 r7 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r7.1:*:*:*:linux:*:* | 9.1 r7.1 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r8:*:*:*:linux:*:* | 9.1 r8 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r8.2:*:*:*:linux:*:* | 9.1 r8.2 | Vulnerable | Pulse Secure |
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r6:*:*:*:linux:*:* Versions 9.1 r6 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r7:*:*:*:linux:*:* Versions 9.1 r7 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r7.1:*:*:*:linux:*:* Versions 9.1 r7.1 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r8:*:*:*:linux:*:* Versions 9.1 r8 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r8.2:*:*:*:linux:*:* Versions 9.1 r8.2 Vulnerable ·Pulse Secure
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8255
- 2026-10-03 Alias added: GHSA-4m7r-69vr-gmv2
References
More Pulse Secure Desktop Client vulnerabilities
- TI-2020-10343 A time-of-check time-of-use vulnerability in PulseSecureService.exe in Pulse Secure… CVSS 3.1HIGH 7.0
- TI-2020-06657 A vulnerability in the Pulse Secure Desktop Client < 9.1R9 is vulnerable to the client… CVSS 3.1CRITICAL 9.8
- TI-2020-06672 Path traversal in Pulse Secure Desktop Client CVSS 3.1HIGH 8.8
- TI-2019-08391 In Pulse Secure Pulse Desktop Client and Network Connect, an attacker could access… CVSS 3.0HIGH 8.1
- TI-2020-06659 A vulnerability in the Pulse Secure Desktop Client < 9.1R9 could allow the attacker to… CVSS 3.1HIGH 7.5
- TI-2020-06668 A vulnerability in the Pulse Secure Desktop Client (Linux) < 9.1R9 could allow local attackers to escalate privilege. CVSS 3.1HIGH 7.8
Sources
- CVE-2020-8255 · CVE Program
- CVE-2020-8255 · NVD
- FIRST EPSS
- GHSA-4m7r-69vr-gmv2 · GitHub Advisory Database · CC BY 4.0
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