CVE-2021-23856

mediumpriority · track · 24EPSS 0.006 · 50 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.63% (50th) EPSS

CVSS 4.3 · medium

Is it mine?

3 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

The web server is vulnerable to reflected XSS and therefore an attacker might be able to execute scripts on a client’s computer by sending the client a manipulated URL.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 4.3–10

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · psirt@bosch.comexploitability 3.9 · impact 6

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

affected products (3)

Products and version ranges known to be affected.

Rexroth IndraMotion MLC L20, L40≤ Allenisa_euvdEU
bosch rexroth indramotion mlc l20 firmwareall versionsnvdUScpe:2.3:o:bosch:rexroth_indramotion_mlc_l20_firmware:*:*:*:*:*:*:*:*
bosch rexroth indramotion mlc l40 firmwareall versionsnvdUScpe:2.3:o:bosch:rexroth_indramotion_mlc_l40_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-10-04modified 2026-06-17

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+53008 more

references (4)

External citations — patches, advisories, analysis.

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