Denial of service in Dell NetWorker



Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2023-20861
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 NetWorker
Server applications / Other server solutions

Vendor Dell

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU75562

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-20861

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of SpEL expressions. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

NetWorker: All versions

CPE2.3 External links

https://www.dell.com/support/kbdoc/nl-nl/000215853/networker-cve-2023-20861-detected-on-networker-server


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



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