TI-2020-09283 Aliases CVE-2020-11581 GHSA-7xjp-88f4-r966

An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06.

MEDIUM 47CWE-78Published 2020-04-06 · Updated 2024-08-04

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: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

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, allows a man-in-the-middle attacker to perform OS command injection attacks (against a client) via shell metacharacters to the doCustomRemediateInstructions method, because Runtime.getRuntime().exec() is used.

Why it matters now

EPSS 0.09839 95th 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: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_policy_secure:-:::::::*	not specified by NVD	Vulnerable	Pulse Secure

cpe:2.3:a:pulsesecure:pulse_connect_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
cpe:2.3:a:pulsesecure:pulse_policy_secure:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Pulse Secure

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-11581
2026-10-03 Alias added: GHSA-7xjp-88f4-r966

References

Exploit 1

https://git.lsd.cat/g/pulse-host-checker-rce

Advisory 1

https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44426

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

See all 56 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences