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CVE-2018-6320
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 5.4R2 wherein an http(s) Host header received from the browser is trusted without validation.
Published: Sep 6, 2018
Modified: Jun 17, 2026
CWE-20
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (18)
| Vendor | Product | Version |
|---|---|---|
| ivanti | connect_secure | 8.1 |
| pulsesecure | pulse_connect_secure | 8.1r1.0 |
| pulsesecure | pulse_connect_secure | 8.1rx |
| pulsesecure | pulse_connect_secure | 8.3rx |
| pulsesecure | pulse_policy_secure | 5.2r1.0 |
| pulsesecure | pulse_policy_secure | 5.2r2.0 |
| pulsesecure | pulse_policy_secure | 5.2r3.0 |
| pulsesecure | pulse_policy_secure | 5.2r3.2 |
| pulsesecure | pulse_policy_secure | 5.2r4.0 |
| pulsesecure | pulse_policy_secure | 5.2r5.0 |
| pulsesecure | pulse_policy_secure | 5.2r6.0 |
| pulsesecure | pulse_policy_secure | 5.2r7.0 |
| pulsesecure | pulse_policy_secure | 5.2r7.1 |
| pulsesecure | pulse_policy_secure | 5.2r8.0 |
| pulsesecure | pulse_policy_secure | 5.2rx |
| pulsesecure | pulse_policy_secure | 5.4r1 |
| pulsesecure | pulse_policy_secure | 5.4r2 |
| pulsesecure | pulse_policy_secure | 5.4rx |
GitHub Security Advisory GHSA-86rc-v7r8-8fwp
A vulnerability has been discovered in login.cgi in Pulse Secure Pulse Connect Secure (PCS) 8.1RX...
References (2)
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
4.08%
Top 10% most likely to be exploited
Threat Score
40.4 / 100
Data Sources
NVD
EPSS
GitHub