Vulnerability identifier: #VU53992

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22762

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IGSS Definition
Server applications / Other server solutions

Vendor: Schneider Electric

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can use a specially crafted CGF or WSP file and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IGSS Definition: 15.0.0.21140

---

External links
http://ics-cert.us-cert.gov/advisories/icsa-21-159-04
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-01
http://www.zerodayinitiative.com/advisories/ZDI-21-675/

---

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.