CVE-2020-12512

lowpriority · track · 22EPSS 0.007 · 54 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.73% (54th) EPSS

CVSS 3.5 · low

Is it mine?

37 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · pepperl_fuchs_psirt

EPSS · scored 2026-10-27

Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to an authenticated reflected POST Cross-Site Scripting

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedpepperl_fuchs_psirt
In order to prevent the exploitation of the reported vulnerabilities, we recommend that the affected units be updated with the following three firmware packages: - U-Boot bootloader version 1.36 - System image version 1.52 - Application base version 1.6.11

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.5–7.5

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · info@cert.vde.comexploitability 1.6 · impact 5.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · Pepperl+Fuchs PSIRT DE

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/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-79USprimaryCWE-79US

affected products (37)

Products and version ranges known to be affected.

Pepper+Fuchs Comtrol IO-Link Master≤ unspecified ≤1.5.48enisa_euvdEU
pepperl-fuchs io-link master 4-eip firmware≤ 1.5.48nvdUScpe:2.3:o:pepperl-fuchs:io-link_master_4-eip_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs io-link master 4-pnio firmware≤ 1.5.48nvdUScpe:2.3:o:pepperl-fuchs:io-link_master_4-pnio_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs io-link master 8-eip firmware≤ 1.5.48nvdUScpe:2.3:o:pepperl-fuchs:io-link_master_8-eip_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs io-link master 8-eip-l firmware≤ 1.5.48nvdUScpe:2.3:o:pepperl-fuchs:io-link_master_8-eip-l_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs io-link master 8-pnio firmware≤ 1.5.48nvdUScpe:2.3:o:pepperl-fuchs:io-link_master_8-pnio_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs io-link master 8-pnio-l firmware≤ 1.5.48nvdUScpe:2.3:o:pepperl-fuchs:io-link_master_8-pnio-l_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs io-link master dr-8-eip firmware≤ 1.5.48nvdUScpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-eip_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs io-link master dr-8-eip-p firmware≤ 1.5.48nvdUScpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-eip-p_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs io-link master dr-8-eip-t firmware≤ 1.5.48nvdUScpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-eip-t_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs io-link master dr-8-pnio firmware≤ 1.5.48nvdUScpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-pnio_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs io-link master dr-8-pnio-p firmware≤ 1.5.48nvdUScpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-pnio-p_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs io-link master dr-8-pnio-t firmware≤ 1.5.48nvdUScpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-pnio-t_firmware:*:*:*:*:*:*:*:*
Application base 1.6.11 installed on System image 1.52 installed on U-Boot bootloader 1.36 installed on IO-Link Master 4-EIPall versionsfixedpepperl_fuchs_psirtDE
Application base 1.6.11 installed on System image 1.52 installed on U-Boot bootloader 1.36 installed on IO-Link Master 4-PNIOall versionsfixedpepperl_fuchs_psirtDE
Application base 1.6.11 installed on System image 1.52 installed on U-Boot bootloader 1.36 installed on IO-Link Master 8-EIPall versionsfixedpepperl_fuchs_psirtDE
Application base 1.6.11 installed on System image 1.52 installed on U-Boot bootloader 1.36 installed on IO-Link Master 8-EIP-Lall versionsfixedpepperl_fuchs_psirtDE
Application base 1.6.11 installed on System image 1.52 installed on U-Boot bootloader 1.36 installed on IO-Link Master 8-PNIOall versionsfixedpepperl_fuchs_psirtDE
Application base 1.6.11 installed on System image 1.52 installed on U-Boot bootloader 1.36 installed on IO-Link Master 8-PNIO-Lall versionsfixedpepperl_fuchs_psirtDE
Application base 1.6.11 installed on System image 1.52 installed on U-Boot bootloader 1.36 installed on IO-Link Master DR-8-EIPall versionsfixedpepperl_fuchs_psirtDE

showing 20 of 37

advisories (1)

Vendor and ecosystem advisories describing this.

VDE-2020-038Pepperl+Fuchs: Multiple vulnerabilites in Comtrol IO-Link Master2021-01-04csaf · pepperl_fuchs_psirtDE
Several vulnerabilities exist within firmware versions up to and including v1.5.48.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd pepperl_fuchs_psirt NVD CVE.org MITRE

published 2021-01-22modified 2026-06-17

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+53007 more

references (6)

External citations — patches, advisories, analysis.

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