#VU75149 Missing Authentication for Critical Function in APC Easy UPS Online and Easy UPS Online


Published: 2023-04-17

Vulnerability identifier: #VU75149

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-29411

CWE-ID: CWE-306

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
APC Easy UPS Online
Other software / Other software solutions
Easy UPS Online
Other software / Other software solutions

Vendor: Schneider Electric

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to missing authentication for critical function within the updateManagerPassword function. A remote attacker can gain administrative credentials and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

APC Easy UPS Online: 2.5-GA-01-22320

Easy UPS Online: 2.5-GS-01-22320


External links
http://www.zerodayinitiative.com/advisories/ZDI-23-444/
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-101-04&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-101-04.pdf


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.


Latest bulletins with this vulnerability