Security readout for executives and security teams
Plain-English summary
This CVE describes an arbitrary file deletion flaw in XOS-Shop xos_shop_system 1.0.9. A vulnerable deployment may allow deletion of files through a manufacturer image parameter in the admin categories page. The public record does not provide CVSS, exploit status, authentication requirements, or a confirmed fix.
Executive priority
Treat this as an exposure-confirmation task first. If XOS-Shop 1.0.9 is present, prioritize access restriction and vendor guidance review because arbitrary file deletion can disrupt site operations even without confirmed active exploitation.
Technical view
CVE-2021-46820 is tied to the current_manufacturer_image parameter handled by /shop/admin/categories.php in XOS-Shop xos_shop_system 1.0.9. The reported impact is arbitrary file deletion. Available sources do not specify path constraints, required privileges, root cause details, patch status, or affected versions beyond 1.0.9.
Likely exposure
Exposure appears limited to organizations running XOS-Shop xos_shop_system 1.0.9 where /shop/admin/categories.php is present and reachable. Sources do not clarify whether authentication is required or whether other versions are affected.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. Public evidence is sparse and does not include exploit maturity, observed attacks, or weaponized tooling.
Researcher notes
The public record identifies a parameter and endpoint but lacks CVSS, CWE, authentication context, detailed affected range, and remediation status. Analysis confidence is therefore limited to the reported arbitrary file deletion behavior in xos_shop_system 1.0.9.
Mitigation direction
- Check vendor repository and issue guidance for any fixed release or patch.
- Restrict access to /shop/admin/categories.php to trusted administrators only.
- Remove or isolate unsupported XOS-Shop deployments if no maintained fix exists.
- Maintain tested backups for files managed by the shop application.
- Review file deletion handling around current_manufacturer_image before accepting external input.
Validation and detection
- Inventory XOS-Shop installations and confirm whether version 1.0.9 is deployed.
- Confirm whether /shop/admin/categories.php exists and is reachable from untrusted networks.
- Review application code handling current_manufacturer_image for unsafe file deletion logic.
- Check web and application logs for unusual current_manufacturer_image values.
- Verify backup restoration for affected web application files.
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.
File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-46820 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/XOS-Shop/xos_shop_system/issues/1CVE 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.