CVE-2018-6320
9.8
CRITICAL · CVSS 3.0 · EPSS 4.1% (pctl 90)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.08% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-09-06 |
| Last modified | 2026-06-17 |
Affected (3)
| Vendor | Product |
|---|---|
| ivanti | connect secure |
| pulsesecure | pulse connect secure |
| pulsesecure | pulse policy secure |
References
→ the Explorer · watch your stack · NVD