Cyber Resilience

CVE-2021-43778

CriticalPublic PoC

Published: 24 November 2021

Published
24 November 2021
Modified
08 September 2025
KEV Added
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Patch
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CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.9040 99.6th percentile
Risk Priority 72 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-43778 is a critical-severity Path Traversal (CWE-22) vulnerability in Glpi-Project Barcode. Its CVSS base score is 9.1 (Critical).

Operationally, ranked in the top 0.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Barcode is a GLPI plugin for printing barcodes and QR codes. GLPI instances version 2.x prior to version 2.6.1 with the barcode plugin installed are vulnerable to a path traversal vulnerability. This issue was patched in version 2.6.1. As a…

more

workaround, delete the `front/send.php` file.

CWE(s)
CWE-22

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

glpi-project
barcode
2.0 — 2.6.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-10 Information Input Validation
addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References