How severe is CVE-2020-12814?

CVE-2020-12814 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-12814 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12814?

CVE-2020-12814 primarily affects Fortinet Fortianalyzer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12814?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-12814 published?

CVE-2020-12814 was published on 2021-11-02 and last updated on 2026-06-17.

CVE-2020-12814

CVE-2020-12814 is a medium-severity vulnerability in Fortinet Fortianalyzer with a CVSS 3.x base score of 4.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.1)
CVSS v2: 3.5
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Fortinet Fortianalyzer
Published: 2021-11-02
Last modified: 2026-06-17

Description

A improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiAnalyzer version 6.0.6 and below, version 6.4.4 allows attacker to execute unauthorized code or commands via specifically crafted requests to the web GUI.

Frequently asked questions

What is CVE-2020-12814?: A improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiAnalyzer version 6.0.6 and below, version 6.4.4 allows attacker to execute unauthorized code or commands via specifically crafted requests to the web GUI.
How severe is CVE-2020-12814?: CVE-2020-12814 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-12814 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12814?: CVE-2020-12814 primarily affects Fortinet Fortianalyzer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12814?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-12814 published?: CVE-2020-12814 was published on 2021-11-02 and last updated on 2026-06-17.

References

https://fortiguard.com/advisory/FG-IR-20-092

Affected products (2)

cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortianalyzer:6.4.4:*:*:*:*:*:*:*

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