CVE-2020-26693
CVE-2020-26693 is a medium-severity vulnerability in Pfsense with a CVSS 3.x base score of 5.4. 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 5% (92nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Pfsense
- Published:
- Last modified:
Description
A stored cross-site scripting (XSS) vulnerability was discovered in pfSense 2.4.5-p1 which allows an authenticated attacker to execute arbitrary web scripts via exploitation of the load_balancer_monitor.php function.
Frequently asked questions
- What is CVE-2020-26693?
- A stored cross-site scripting (XSS) vulnerability was discovered in pfSense 2.4.5-p1 which allows an authenticated attacker to execute arbitrary web scripts via exploitation of the load_balancer_monitor.php function.
- How severe is CVE-2020-26693?
- CVE-2020-26693 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-26693 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-26693?
- CVE-2020-26693 affects Pfsense. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-26693?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-26693 published?
- CVE-2020-26693 was published on 2021-06-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:pfsense:pfsense:2.4.5:p1:*:*:*:*:*:*
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