What is CVE-2020-23015?

CVE-2020-23015 is a medium-severity vulnerability in Opnsense, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-05-03.

How severe is CVE-2020-23015?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2020-23015 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Open Redirect in Opnsense

CVE-2020-23015

An open redirect issue was discovered in OPNsense through 20.1.5. The redirect parameter "url" in login page was not filtered and can redirect user to any website.

Vulnerability class: Open Redirect

EPSS: 0.027 (84.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Opnsense
N/a — versions n/a

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-23015?: CVE-2020-23015 is a medium-severity vulnerability in Opnsense, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-05-03.
How severe is CVE-2020-23015?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-23015 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.