What is CVE-2021-40366?

CVE-2021-40366 is a high-severity vulnerability in Siemens Climatix Pol909, classified under Missing Encryption of Sensitive Data. CVSS score: 7.4/10. Published 2021-11-09.

How severe is CVE-2021-40366?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Siemens Climatix Pol909

CVE-2021-40366

A vulnerability has been identified in Climatix POL909 (AWB module) (All versions < V11.42), Climatix POL909 (AWM module) (All versions < V11.34). The web server of affected devices transmits data without TLS encryption. This could allow an unauthenticated remote attacker in a man-in-the-middle position to read sensitive data, such as administrator credentials, or modify data in transit.

EPSS: 0.004 (33.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Siemens Climatix_pol909
Siemens Climatix Pol909 (Awb Module) — versions All versions < V11.42
Siemens Climatix Pol909 (Awm Module) — versions All versions < V11.34
Siemens Climatix_pol909_firmware

Weakness classification (CWE)

References

productcert@siemens.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40366?: CVE-2021-40366 is a high-severity vulnerability in Siemens Climatix Pol909, classified under Missing Encryption of Sensitive Data. CVSS score: 7.4/10. Published 2021-11-09.
How severe is CVE-2021-40366?: High severity. CVSS v3 base score is 7.4 out of 10.