What is CVE-2020-12495?

CVE-2020-12495 is a critical-severity vulnerability in Endress Orsg35, classified under Improper Privilege Management. CVSS score: 9.1/10. Published 2020-11-19.

How severe is CVE-2020-12495?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Privilege escalation in Endress Orsg35

CVE-2020-12495

Endress+Hauser Ecograph T (Neutral/Private Label) (RSG35, ORSG35) with Firmware version prior to V2.0.0 is prone to improper privilege management. The affected device has a web-based user interface with a role-based access system. Users with different roles have different write and read privileges. The access system is based on dynamic "tokens". The vulnerability is that user sessions are not closed correctly and a user with fewer rights is assigned the higher rights when he logs on.

Vulnerability class: Privilege Escalation

EPSS: 0.009 (56.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Endress Orsg35
Endress Orsg35_firmware
Endress Orsg45
Endress Orsg45_firmware
Endress Rsg35
Endress Rsg35_firmware
Endress Rsg45
Endress Rsg45_firmware
Endress+hauser Orsg35 - Ecograph T Neutral/private Label — versions V1.0.0
Endress+hauser Rsg35 - Ecograph T — versions V1.0.0

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

info@cert.vde.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-12495?: CVE-2020-12495 is a critical-severity vulnerability in Endress Orsg35, classified under Improper Privilege Management. CVSS score: 9.1/10. Published 2020-11-19.
How severe is CVE-2020-12495?: Critical severity. CVSS v3 base score is 9.1 out of 10.