Security readout for executives and security teams
Plain-English summary
This CVE affects the Cosori Smart 5.8-Quart Air Fryer CS158-AF firmware 1.1.0. Public sources describe an unauthenticated backdoor in its configuration server that can allow code execution. The business risk is mainly for environments where this specific IoT device is present and reachable from untrusted networks.
Executive priority
Treat this as a targeted IoT exposure issue, not a broad enterprise software emergency. Prioritize discovery and isolation of the specific affected device, especially in corporate offices, labs, or executive home-office environments connected to business networks.
Technical view
CVE-2020-28593 is a CWE-912 hidden functionality issue in the configuration server of Cosori Smart 5.8-Quart Air Fryer CS158-AF 1.1.0. The CVSS 3.0 score is 8.1 with network attack vector, high complexity, no privileges, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure appears limited to the named Cosori CS158-AF device running firmware 1.1.0. Risk increases if the device is connected to enterprise, guest, lab, or home-office networks where untrusted users can reach its configuration service.
Exploitation context
The source bundle does not indicate CISA KEV listing or confirmed active exploitation. Talos and CVE sources describe unauthenticated network-triggered code execution, but the CVSS vector marks attack complexity high.
Researcher notes
The key evidence is the Talos advisory and CVE record. Do not broaden affected scope beyond Cosori Smart 5.8-Quart Air Fryer CS158-AF 1.1.0 unless vendor evidence supports it. Patch status is not established in the supplied sources.
Mitigation direction
- Inventory networks for Cosori Smart 5.8-Quart Air Fryer CS158-AF devices.
- Confirm whether any identified device runs firmware version 1.1.0.
- Place affected devices on isolated IoT networks with no access to sensitive systems.
- Block untrusted access to the device configuration service.
- Check Cosori or vendor guidance for firmware updates or retirement recommendations.
Validation and detection
- Verify device model and firmware through approved asset-management or administrative interfaces.
- Review network segmentation to confirm the device cannot reach critical systems.
- Check firewall rules for inbound access to the device from untrusted networks.
- Monitor network logs for unexpected configuration-service access attempts.
- Document findings because available sources do not name a specific fixed version.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-912: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-28593 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.1HighVector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1217CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Hidden Functionality
Hidden Functionality represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.