CVE-2018-6320 — CRITICAL (9.8)

Vulnerability Description

A vulnerability has been discovered in login.cgi in Pulse Secure Pulse Connect Secure (PCS) 8.1RX before 8.1R12 and 8.3RX before 8.3R2 and Pulse Policy Secure (PPS) 5.2RX before 5.2R9 and 5.4RX before 5.4R2 wherein an http(s) Host header received from the browser is trusted without validation.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ivanti	Connect Secure	8.1
Pulsesecure	Pulse Connect Secure	8.1r1.0
Pulsesecure	Pulse Policy Secure	5.2r1.0

Related Weaknesses (CWE)

CWE-20

References

https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877Vendor Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877Vendor Advisory

FAQ

What is CVE-2018-6320?

CVE-2018-6320 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A vulnerability has been discovered in login.cgi in Pulse Secure Pulse Connect Secure (PCS) 8.1RX before 8.1R12 and 8.3RX before 8.3R2 and Pulse Policy Secure (PPS) 5.2RX before 5.2R9 and 5.4RX before...

How severe is CVE-2018-6320?

CVE-2018-6320 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-6320?

Check the references section above for vendor advisories and patch information. Affected products include: Ivanti Connect Secure, Pulsesecure Pulse Connect Secure, Pulsesecure Pulse Policy Secure.