CVE-2018-6320
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 4.1% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 4.1% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 4.1% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- 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
Attack profile CVSS 3.0 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-6320.md and follow it. Check whether this project is affected by CVE-2018-6320. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877