Vulnerability Details : CVE-2020-11582
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.)
Products affected by CVE-2020-11582
- cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:*
- cpe:2.3:a:pulsesecure:pulse_policy_secure:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11582
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11582
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.3
|
LOW | AV:A/AC:L/Au:N/C:P/I:N/A:N |
6.5
|
2.9
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-11582
-
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-11582
-
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44426
Pulse Security Advisory: SA44426 - 2020-04: Out-of-Cycle Advisory: Multiple Host Checker VulnerabilitiesVendor Advisory
-
https://git.lsd.cat/g/pulse-host-checker-rce
g/pulse-host-checker-rce: MITM RCE Host Checker for Pulse Secure - GogsExploit;Third Party Advisory
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