CVE-2021-47760 (GCVE-0-2021-47760)

Vulnerability from cvelistv5 – Published: 2026-01-15 15:52 – Updated: 2026-01-15 16:54
VLAI?
Title
TestLink 1.19 - Arbitrary File Download (Unauthenticated)
Summary
TestLink versions 1.16 through 1.19 contain an unauthenticated file download vulnerability in the attachmentdownload.php endpoint. Attackers can download arbitrary files by iterating file IDs through the 'id' parameter with 'skipCheck=1' to bypass access controls.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
Testlink TestLink Affected: 1.16 <= 1.19
Create a notification for this product.
Credits
Gonzalo Villegas (Cl34r)
Show details on NVD website
To clipboard 

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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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