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01 Record

CVE-2020-28593

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

HighPUBLISHEDCNA: talos
CNA base score8.1 CVSS v3.xCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.87% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 79.2% of scored records. A rank, not a probability.
NVD base score
8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-04-15 13:41Z5 YR AGO
Last updated
2024-08-04 16:40Z2 YR AGO
Reserved
2020-11-13
Assigning CNA
talos
Record state
PUBLISHED
Severity
High (CVSS 8.1)
CNA CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
Data version
5.1
Document digest
9b12ed441c31631e744f65d559c6cdf417637cac8c786f393bb5bd067b7a5cfe

05 Affected products

VendorProductVersionsPlatforms
n/aCosoriCosori Smart 5.8-Quart Air Fryer CS158-AF 1.1.0—

06 References