CVE-2020-8233

Name: CVE-2020-8233
Creator: NVD / NIST
Published: 2020-08-17T16:15:13.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 4.42%

Last modified Jun 17, 2026

CVE-2020-8233 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A command injection vulnerability exists in EdgeSwitch firmware <v1.9.0 that allowed an authenticated read-only user to execute arbitrary shell commands over the HTTP interface, allowing them to escalate privileges.. EPSS estimates a 4.42% chance of exploitation in the next 30 days.

Description

A command injection vulnerability exists in EdgeSwitch firmware <v1.9.0 that allowed an authenticated read-only user to execute arbitrary shell commands over the HTTP interface, allowing them to escalate privileges.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.42%

90.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Ui	Edgeswitch Firmware	< 1.9.0	—
Opensuse	Backports Sle	15.0	Sp1
Opensuse	Leap	15.1	—
Opensuse	Leap	15.2	—

References

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00019.htmlMailing List, Third Party Advisory
https://community.ui.com/releases/EdgeMAX-EdgeSwitch-Firmware-v1-9-1-v1-9-1/8a87dfc5-70f5-4055-8d67-570db1f5695cPatch, Release Notes, Vendor Advisory
https://community.ui.com/releases/Security-advisory-bulletin-014-014/1c32c056-2c64-4e60-ac23-ce7d8f387821Vendor Advisory
https://www.ui.com/download/edgemaxProduct
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00019.htmlMailing List, Third Party Advisory
https://community.ui.com/releases/EdgeMAX-EdgeSwitch-Firmware-v1-9-1-v1-9-1/8a87dfc5-70f5-4055-8d67-570db1f5695cPatch, Release Notes, Vendor Advisory
https://community.ui.com/releases/Security-advisory-bulletin-014-014/1c32c056-2c64-4e60-ac23-ce7d8f387821Vendor Advisory
https://www.ui.com/download/edgemaxProduct

Timeline

Published: Aug 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8233?

How severe is CVE-2020-8233?

CVE-2020-8233 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 4.42% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8233?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8233?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST