CVE-2020-28593

Name: CVE-2020-28593
Creator: NVD / NIST
Published: 2021-04-15T14:15:16.013+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 1.88%

Last modified Jun 17, 2026

CVE-2020-28593 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. A unauthenticated backdoor exists in the configuration server functionality of Cosori Smart 5.8-Quart Air Fryer CS158-AF 1.1.0. A specially crafted JSON object can lead to code execution. EPSS estimates a 1.88% chance of exploitation in the next 30 days.

Description

A unauthenticated backdoor exists in the configuration server functionality of Cosori Smart 5.8-Quart Air Fryer CS158-AF 1.1.0. A specially crafted JSON object can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

1.88%

76.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-912

Affected Software

Vendor	Product	Versions
Cosori	Cs158-Af Firmware	1.1.0

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1217Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1217Exploit, Third Party Advisory

Timeline

Published: Apr 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28593?

How severe is CVE-2020-28593?

CVE-2020-28593 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.88% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28593?

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-2020-28593?

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

Scan your code now

Source: NVD / NIST