CVE-2021-43778
Title: Path Traversal in GLPI Barcode Plugin
Path Traversal
Proof Of Concept
PoC Available for CVE-2021-43778
CWE Category
CWE-22
Published Date
Nov 24, 2021
Modified Date
Sep 08, 2025
Exploit Status
Available
Score
9.1
CVSS v3.1
Exploit Probability (EPSS)
52.66%
Vulnerability Summary
CVE-2021-43778: 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 workaround, delete the `front/send.php` file.
Impacted Vendors
Reference Links
https://github.com/hansmach1ne/MyExploits/tree/main/Path%20Traversal%20in%20GLPI%20Barcode%20plugin
https://github.com/pluginsGLPI/barcode/commit/428c3d9adfb446e8492b1c2b7affb3d34072ff46
https://github.com/pluginsGLPI/barcode/releases/tag/2.6.1
https://github.com/pluginsGLPI/barcode/security/advisories/GHSA-2pjh-h828-wcw9
https://github.com/hansmach1ne/CVE-portfolio/tree/main/CVE-2021-43778
https://github.com/hansmach1ne/MyExploits/tree/main/Path%20Traversal%20in%20GLPI%20Barcode%20plugin
https://github.com/pluginsGLPI/barcode/commit/428c3d9adfb446e8492b1c2b7affb3d34072ff46
https://github.com/pluginsGLPI/barcode/releases/tag/2.6.1
https://github.com/pluginsGLPI/barcode/security/advisories/GHSA-2pjh-h828-wcw9
CVSS v3.1
Source Entity
[email protected]
Severity
CRITICAL
9.1
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v3.1
Source Entity
[email protected]
Severity
HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v2.0
Source Entity
[email protected]
Severity
MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR
AV:N/AC:L/Au:N/C:P/I:N/A:N
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2021-43778 Exploits & PoCs (Proof Of Concept)
GitHub
https://github.com/AK-blank/CVE-2021-43778
MODIFIED
Vulnerability data or affected products updated.
PUBLISHED
Vulnerability first announced in NVD.
Attack Vector Matrix
Access Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
CVSS Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Stack
No specific products linked.