What is CVE-2021-22749?

CVE-2021-22749 is a medium-severity vulnerability in Schneider-Electric Modicon X80 Bmxnor0200h Rtu, classified under Information Disclosure. CVSS score: 5.3/10. Published 2021-06-11.

How severe is CVE-2021-22749?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Schneider-Electric Modicon X80 Bmxnor0200h Rtu

CVE-2021-22749

A CWE-200: Exposure of Sensitive Information to an Unauthorized Actor vulnerability exists in Modicon X80 BMXNOR0200H RTU SV1.70 IR22 and prior that could cause information leak concerning the current RTU configuration including communication parameters dedicated to telemetry, when a specially crafted HTTP request is sent to the web server of the module.

Vulnerability class: Information Disclosure

EPSS: 0.009 (56.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Schneider-electric Modicon_x80_bmxnor0200h_rtu
Schneider-electric Modicon_x80_bmxnor0200h_rtu_firmware — versions sv1.6, sv1.7
N/a Modicon X80 Bmxnor0200h Rtu Sv1.70 Ir22 And Prior — versions Modicon X80 BMXNOR0200H RTU SV1.70 IR22 and prior

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

cybersecurity@se.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22749?: CVE-2021-22749 is a medium-severity vulnerability in Schneider-Electric Modicon X80 Bmxnor0200h Rtu, classified under Information Disclosure. CVSS score: 5.3/10. Published 2021-06-11.
How severe is CVE-2021-22749?: Medium severity. CVSS v3 base score is 5.3 out of 10.