Improper access control in SolarWinds Serv-U



Published: 2022-05-18
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-35249
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Serv-U FTP Server
Server applications / File servers (FTP/HTTP)

Vendor SolarWinds

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper access control

EUVDB-ID: #VU63355

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-35249

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote authenticated user with domain admin permissions can access configuration and user information of other domains that they should not have access to.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Serv-U FTP Server: 15.1 - 15.3 HF 1


CPE2.3 External links

http://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35249
http://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-1_release_notes.htm

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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