CVEvulnerability
CVE-2020-11581
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-04-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-78
Description
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.
Affected configurations
• pulsesecure pulse connect secure (<= 2020-04-06)
• pulsesecure pulse policy secure
Related
Weakness · CWE (1)
- CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness
References
- https://git.lsd.cat/g/pulse-host-checker-rce Exploit, Third Party Advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44426 Vendor Advisory
- https://git.lsd.cat/g/pulse-host-checker-rce Exploit, Third Party Advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44426 Vendor Advisory