CVE-2020-11580 describes a critical vulnerability in Pulse Secure Pulse Connect Secure (PCS) versions through April 6, 2020, affecting macOS, Linux, and Solaris clients. The flaw, categorized as CWE-295 (Improper Certificate Validation), allows the tncc.jar applet to accept arbitrary SSL certificates when a Host Checker policy is enforced. With a CVSS score of 9.1 (CRITICAL), this vulnerability presents a high-impact threat (C:H, I:H) with low attack complexity (AC:L) and no user interaction required (UI:N), making it easily exploitable over the network (AV:N). Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2020-04-06CPE matchmatch criteria | cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:* | ||
<= 2020-04-06CPE matchmatch criteria | cpe:2.3:a:pulsesecure:pulse_policy_secure:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.