CVE-2020-11582 — Improper Restriction of Excessive Authentication Attempts in Pulse Connect Secure
Severity
8.8HIGHNVD
CNA8.1
EPSS
0.1%
top 66.78%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 6
Latest updateMay 24
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, launches a TCP server that accepts local connections on a random port. This can be reached by local HTTP clients, because up to 25 invalid lines are ignored, and because DNS rebinding can occur. (This server accepts, for example, a setcookie command that might be relevant to CVE-2020-11581 exploitation…
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9