CVE-2020-12501

highpriority · track · 40OT risk · elevatedEPSS 0.033 · 89 %ileDEEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
3.34% (89th) EPSS
CVSS 7.5 · high
Is it mine?
45 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) use undocumented accounts.

01

remediations

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

No vendor fix yet; a mitigation is available.

  • 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-798USCWE-798US
04

affected products (45)

Products and version ranges known to be affected.

showing 20 of 45
05

advisories (1)

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.

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 (25)

External citations — patches, advisories, analysis.

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