Vulnerability identifier: #VU82326

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-23727

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
celery
Other software / Other software solutions

Vendor:

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to celery by default trusts the messages and metadata stored in backends (result stores). A remote user can trigger the vulnerability and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://github.com/celery/celery/blob/master/Changelog.rst%23522
http://snyk.io/vuln/SNYK-PYTHON-CELERY-2314953
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SYXRGHWHD2WWMHBWCVD5ULVINPKNY3P5/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.