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Vulnerability CVE-2020-11582
Published: 2020-04-06
| 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.) |
Type:
CWE-307 (Improper Restriction of Excessive Authentication Attempts)
CVSS2 => (AV:A/AC:L/Au:N/C:P/I:N/A:N)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
3.3/10 |
2.9/10 |
6.5/10 |
| Exploit range |
Attack complexity |
Authentication |
Adjacent network |
Low |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
Partial |
None |
None |
References: |
https://git.lsd.cat/g/pulse-host-checker-rce
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44426
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