Auth bypass in Schneider Electric Igss Update Service (Igssupdateservice.exe)

CVE-2023-4516

A CWE-306: Missing Authentication for Critical Function vulnerability exists in the IGSS Update Service that could allow a local attacker to change update source, potentially leading to remote code execution when the attacker force an update containing malicious content.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (7.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-4516: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-4516?
CVE-2023-4516 is a high-severity vulnerability in Schneider Electric Igss Update Service (Igssupdateservice.exe), classified under Missing Authentication for Critical Function. CVSS score: 7.8/10. Published 2023-09-14.
How severe is CVE-2023-4516?
High severity. CVSS v3 base score is 7.8 out of 10.