What is CVE-2021-23855?

CVE-2021-23855 is a high-severity vulnerability in Bosch Rexroth Indramotion Mlc, classified under Information Disclosure. CVSS score: 8.6/10. Published 2021-10-04.

How severe is CVE-2021-23855?

High severity. CVSS v3 base score is 8.6 out of 10.

Information disclosure in Bosch Rexroth Indramotion Mlc

CVE-2021-23855

The user and password data base is exposed by an unprotected web server resource. Passwords are hashed with a weak hashing algorithm and therefore allow an attacker to determine the password by using rainbow tables.

Vulnerability class: Information Disclosure

Published 2021-10-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Weakness classification (CWE)

References

psirt.bosch.com/security-advisories/bosch-sa-741752.html (Vendor Advisory)

Frequently asked questions

What is CVE-2021-23855?: CVE-2021-23855 is a high-severity vulnerability in Bosch Rexroth Indramotion Mlc, classified under Information Disclosure. CVSS score: 8.6/10. Published 2021-10-04.
How severe is CVE-2021-23855?: High severity. CVSS v3 base score is 8.6 out of 10.