CVE-2020-23015
CVE-2020-23015 is a medium-severity vulnerability in Opnsense with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 5.8
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-601
- Affected product: Opnsense
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2020-23015?
- CVE-2020-23015 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-23015 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-23015?
- CVE-2020-23015 affects Opnsense. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-23015?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-23015 published?
- CVE-2020-23015 was published on 2021-05-03 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*
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