CVE-2018-20812 — HIGH (7.5)

Vulnerability Description

An information exposure issue where IPv6 DNS traffic would be sent outside of the VPN tunnel (when Traffic Enforcement was enabled) exists in Pulse Secure Pulse Secure Desktop 9.0R1 and below. This is applicable only to dual-stack (IPv4/IPv6) endpoints.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Pulsesecure	Pulse Secure Desktop Client	4.0

Related Weaknesses (CWE)

CWE-200

References

https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877/Vendor Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877/Vendor Advisory

FAQ

What is CVE-2018-20812?

CVE-2018-20812 is a vulnerability with a CVSS score of 7.5 (HIGH). An information exposure issue where IPv6 DNS traffic would be sent outside of the VPN tunnel (when Traffic Enforcement was enabled) exists in Pulse Secure Pulse Secure Desktop 9.0R1 and below. This is...

How severe is CVE-2018-20812?

CVE-2018-20812 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-20812?

Check the references section above for vendor advisories and patch information. Affected products include: Pulsesecure Pulse Secure Desktop Client.