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CVE-2020-11581 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.lsd.cat/g/pulse-host-checker-rce CVEExploitThird Party Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44426 CVEVendor Advisory
https://git.lsd.cat/g/pulse-host-checker-rce [email protected]ExploitThird Party Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44426 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')[email protected]

Affected Products

ProductVersions
pulsesecure pulse connect secure
<= 2020-04-06

CPE

  • cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
apple macos
All versions

CPE

  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
linux linux kernel
All versions

CPE

  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
oracle solaris
All versions

CPE

  • cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
pulsesecure pulse policy secure
All versions

CPE

  • cpe:2.3:a:pulsesecure:pulse_policy_secure:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-11581
NVD Published Date:
Apr 6, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-11581 Details - Not Deferred