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Fencer Intel
high 7.2

CVE-2020-12503 in the critical feed json

Pepperl+Fuchs improper authorization affects multiple Comtrol RocketLinx products

published 6y ago modified 4mo ago also EUVD-2020-4805

cvss
7.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
22.8%
EPSS 22.8% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

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 is prone to multiple authenticated command injections.

Patch / fix

  • Pepperl+Fuchs P+F Comtrol RocketLinx 2.1.1, 3.1.1
  • Korenix JetNet V1.6
  • Westermo PMI-110-F2G V1.8

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Exploit prediction

22.83% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • packetstormsecurity.com http://packetstormsecurity.com/files/162903/Korenix-CSRF-Backdoor-Accounts-Command-Injection-Missing-Authentication.html referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/165875/Korenix-Technology-JetWave-CSRF-Command-Injection-Missing-Authentication.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • Pepperl+Fuchs P+F Comtrol RocketLinx
  • Korenix JetNet
  • Westermo PMI-110-F2G

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.