#VU57336 Missing Authentication for Critical Function in IGSS Data Collector - CVE-2021-22805

Vulnerability identifier: #VU57336

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-22805

CWE-ID: CWE-306

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IGSS Data Collector
Server applications / Other server solutions

Vendor: Schneider Electric

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to missing validation of user supplied data in network messages. A remote attacker can cause disclosure and read access of arbitrary files in the context of the user running IGSS.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IGSS Data Collector: 15.0.0.21243

---

External links
https://ics-cert.us-cert.gov/advisories/icsa-21-285-03
https://www.zerodayinitiative.com/advisories/ZDI-21-1149/

---

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.