CVE-2020-12504

highpriority · track · 40EPSS 0.030 · 87 %ileDEEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
3.02% (87th) EPSS
CVSS 7.5 · high
Is it mine?
54 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · nvd · pepperl_fuchs_psirt

EPSS · scored 2026-10-27

Improper Authorization vulnerability of Pepperl+Fuchs P+F Comtrol RocketLinx ES7510-XT, ES8509-XT, ES8510-XT, ES9528-XTv2, ES7506, ES7510, ES7528, ES8508, ES8508F, ES8510, ES8510-XTE, ES9528/ES9528-XT (all versions) and ICRL-M-8RJ45/4SFP-G-DIN, ICRL-M-16RJ45/4CP-G-DIN FW 1.2.3 and below has an active TFTP-Service.

01

remediations

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

A vendor fix is available.

  • Fixedpepperl_fuchs_psirt

    For vulnerability CVE-2020-12502 'Cross-Site Request Forgery (CSRF)', CVE-2020- 12503 'Multiple Authenticated Command Injections' and CVE-2020-12504 'Active TFTP- Service' 1. Update following products to the respective Firmware Version: | Product ID | Firmware Version | |------------------------------|-------------------| | ICRL-M-8RJ45/4SFP-G-DIN | 1.4.0 | | ICRL-M-16RJ45/4CP-G-DIN | 1.4.0 | 2. Deactivate TFTP-Service

  • Mitigationpepperl_fuchs_psirt

    An external protective measure is required. 1) Traffic from untrusted networks to the device should be blocked by a firewall. Especially traffic targeting the administration webpage. 2) Administrator and user access should be protected by a secure password and only be available to a very limited group of people.

02

cvss

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

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · info@cert.vde.comexploitability 3.9 · impact 5.9
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · Pepperl+Fuchs PSIRT DE
v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-912USCWE-912US
04

affected products (54)

Products and version ranges known to be affected.

showing 20 of 54
05

advisories (2)

Vendor and ecosystem advisories describing this.

  • VDE-2020-040Pepperl+Fuchs: Multiple Products prone to multiple vulnerabilities in Comtrol RocketLinux2020-10-05csaf · pepperl_fuchs_psirtDE

    Several critical vulnerabilities within Firmware have been identified. Please consult the CVEs for details.

  • VDE-2020-053Pepperl+Fuchs: Comtrol RocketLinx ICRL-M - Multiple Vulnerabilities2021-03-08csaf · pepperl_fuchs_psirtDE

    Several critical vulnerabilities within firmware.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdnvdpepperl_fuchs_psirtNVDCVE.orgMITRE
published 2020-10-15modified 2026-06-17
08

references (21)

External citations — patches, advisories, analysis.

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