Auth bypass in Siemens 7kg8500-0aa00-0aa0

CVE-2022-29877

A vulnerability has been identified in SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00). Affected devices allow unauthenticated access to the web interface configuration area. This could allow an attacker to extract internal configuration details or to reconfigure network settings. However, the reconfigured settings cannot be activated unless the role of an authenticated administrator user.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% 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-2022-29877: held from 0.006 to 0.007.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-29877?
CVE-2022-29877 is a medium-severity vulnerability in Siemens 7kg8500-0aa00-0aa0, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2022-05-20.
How severe is CVE-2022-29877?
Medium severity. CVSS v3 base score is 6.5 out of 10.