CVE-2019-25377 — MEDIUM (5.4)

Vulnerability Description

OPNsense 19.1 contains a reflected cross-site scripting vulnerability in the system_advanced_sysctl.php endpoint that allows attackers to inject malicious scripts via the value parameter. Attackers can craft POST requests with script payloads in the value parameter to execute JavaScript in the context of authenticated user sessions.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Opnsense	Opnsense	19.1

Related Weaknesses (CWE)

CWE-79

References

https://forum.opnsense.org/index.php?topic=11469.0Release Notes
https://opnsense.orgProduct
https://www.exploit-db.com/exploits/46351ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-systemadvancedsyBroken Link

FAQ

What is CVE-2019-25377?

CVE-2019-25377 is a vulnerability with a CVSS score of 5.4 (MEDIUM). OPNsense 19.1 contains a reflected cross-site scripting vulnerability in the system_advanced_sysctl.php endpoint that allows attackers to inject malicious scripts via the value parameter. Attackers ca...

How severe is CVE-2019-25377?

CVE-2019-25377 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-25377?

Check the references section above for vendor advisories and patch information. Affected products include: Opnsense Opnsense.