How severe is CVE-2020-6091?

CVE-2020-6091 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2020-6091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-6091?

CVE-2020-6091 affects Epson Eb-1470ui Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-6091?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-6091 published?

CVE-2020-6091 was published on 2020-05-22 and last updated on 2026-06-17.

CVE-2020-6091

CVE-2020-6091 is a critical-severity vulnerability in Epson Eb-1470ui Firmware with a CVSS 3.x base score of 9.1. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Epson Eb-1470ui Firmware
Published: 2020-05-22
Last modified: 2026-06-17

Description

An exploitable authentication bypass vulnerability exists in the ESPON Web Control functionality of Epson EB-1470Ui MAIN: 98009273ESWWV107 MAIN2: 8X7325WWV303. A specially crafted series of HTTP requests can cause authentication bypass resulting in information disclosure. An attacker can send an HTTP request to trigger this vulnerability.

Frequently asked questions

What is CVE-2020-6091?: An exploitable authentication bypass vulnerability exists in the ESPON Web Control functionality of Epson EB-1470Ui MAIN: 98009273ESWWV107 MAIN2: 8X7325WWV303. A specially crafted series of HTTP requests can cause authentication bypass resulting in information disclosure. An attacker can send an HTTP request to trigger this vulnerability.
How severe is CVE-2020-6091?: CVE-2020-6091 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2020-6091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-6091?: CVE-2020-6091 affects Epson Eb-1470ui Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-6091?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-6091 published?: CVE-2020-6091 was published on 2020-05-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:epson:eb-1470ui_firmware:-:*:*:*:*:*:*:*

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