HTTP: Commvault CommCell DownloadCenterUploadHandler Arbitrary File Upload

This signature detects attempts to exploit a known vulnerability against Commvault CommCell. A successful attack can lead to remote file inclusion.

Extended Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell 11.22.22. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the DownloadCenterUploadHandler class. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this vulnerability to execute code in the context of NETWORK SERVICE. Was ZDI-CAN-13756.

Affected Products

Commvault commcell

Short Name
HTTP:CTS:CMNVULT-DWNLD-UPLD-AFU
Severity
Minor
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
Arbitrary CVE-2021-34995 CommCell Commvault DownloadCenterUploadHandler File Upload
Release Date
02/17/2022
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3471
False Positive
Unknown
Vendors

Commvault

CVSS Score

6.5

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