Vulnerability Report

CVE-2021-21327

RCE

Title: GLPI Remote Object Instantiation of Arbitrary Classes

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2021-21327.

CWE Category CWE-470
Published Date Mar 08, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 6.8 CVSS v3.1
Exploit Probability (EPSS)
2.25%

Vulnerability Summary

CVE-2021-21327: GLPI is an open-source asset and IT management software package that provides ITIL Service Desk features, licenses tracking and software auditing. In GLPI before version 9.5.4 non-authenticated user can remotely instantiate object of any class existing in the GLPI environment that can be used to carry out malicious attacks, or to start a “POP chain”. As an example of direct impact, this vulnerability affects integrity of the GLPI core platform and third-party plugins runtime misusing classes which implement some sensitive operations in their constructors or destructors. This is fixed in version 9.5.4.

Impacted Vendors

G
glpi-project 1
T
teclib-edition 1

Reference Links

http://packetstormsecurity.com/files/161680/GLPI-9.5.3-Unsafe-Reflection.html https://github.com/glpi-project/glpi/releases/tag/9.5.4 https://github.com/glpi-project/glpi/security/advisories/GHSA-qmw7-w2m4-rjwp http://packetstormsecurity.com/files/161680/GLPI-9.5.3-Unsafe-Reflection.html https://github.com/glpi-project/glpi/releases/tag/9.5.4 https://github.com/glpi-project/glpi/security/advisories/GHSA-qmw7-w2m4-rjwp
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.8
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/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:N/I:H/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:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-21327 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

Affected Stack

No specific products linked.