CVE-2020-11581 is a critical command injection vulnerability affecting Pulse Secure Pulse Connect Secure (PCS) clients on macOS, Linux, and Solaris when Host Checker policies are enforced. A man-in-the-middle attacker can exploit this flaw by injecting shell metacharacters into the doCustomRemediateInstructions method, leading to arbitrary OS command execution on the client. With a CVSS score of 8.1 (High), this vulnerability presents a significant risk due to its network-based attack vector and high impact on confidentiality, integrity, and availability. While no public exploit intelligence (Metasploit, Nuclei, ExploitDB) or active exploitation has been observed, and community discussion is minimal, the high EPSS score suggests a non-negligible probability of future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2020-04-06CPE matchmatch criteria | cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:pulsesecure:pulse_policy_secure:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.