An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06.
Priority MEDIUM 41CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.
Summary
An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06. The applet in tncc.jar, executed on macOS, Linux, and Solaris clients when a Host Checker policy is enforced, accepts an arbitrary SSL certificate.
Why it matters now
EPSS 0.01072 65th 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
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:* | up to 2020-04-06 | Vulnerable | Pulse Secure |
| cpe:2.3:a:pulsesecure:pulse_policy_secure:*:*:*:*:*:*:*:* | up to 2020-04-06 | Vulnerable | Pulse Secure |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Oracle |
- cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:* Versions up to 2020-04-06 Vulnerable ·Pulse Secure
- cpe:2.3:a:pulsesecure:pulse_policy_secure:*:*:*:*:*:*:*:* Versions up to 2020-04-06 Vulnerable ·Pulse Secure
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Oracle
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-11580
- 2026-10-03 Alias added: GHSA-285g-j3fh-f4rf
References
More Pulse Secure Pulse Connect Secure vulnerabilities
- TI-2021-05761 Code injection in Pulse Secure Secure KEVCVSS 3.1HIGH 7.2
- TI-2021-05769 Buffer overflow in Pulse Connect Secure CVSS 3.1HIGH 8.8
- TI-2019-08624 In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1… CVSS 3.1HIGH 7.2
- TI-2020-06674 XML external entity injection in Pulse Connect Secure CVSS 3.1MEDIUM 4.9
- TI-2022-06197 Pulse Secure version 9.115 and below may be susceptible to client-side http request… CVSS 3.1MEDIUM 5.4
- TI-2018-12918 Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection… CVSS 3.0HIGH 8.6
Sources
- CVE-2020-11580 · CVE Program
- CVE-2020-11580 · NVD
- FIRST EPSS
- GHSA-285g-j3fh-f4rf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences