CVE-2020-12503
Pepperl+Fuchs improper authorization affects multiple Comtrol RocketLinx products
- Published
- Updated
- Reserved
- Assigned by
- CERTVDE
Description
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.
Timeline
ID reserved
By CERTVDE
- 6 months later
· 6 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CERTVDECNA (assigner) | 3.1 | High7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 22.8% · top 2.3% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Weakness
Affected products
Pepperl+Fuchs · P+F Comtrol RocketLinx
- affected ES8509-XT, ES8510-XT, ES9528-XTv2, ES7506, ES7510, ES7528, ES8508, ES8508F, ES8510-XTE, ES9528/ES9528-XT all
- affected ES7510-XT – < 2.1.1
- affected ES8510 – < 3.1.1
Pepperl+Fuchs · P+F Comtrol RocketLinx
- affected ICRL-M-8RJ45/4SFP-G-DIN – ≤ 1.2.3
- affected ICRL-M-16RJ45/4CP-G-DIN – ≤ 1.2.3
- affected 5428G-20SFP – ≤ V1.0
- affected 5810G – ≤ V1.1
- affected 4706F – ≤ V2.3b
- affected 4510 – ≤ V3.0b
- affected 5310 – < V1.6
- affected unspecified – < V1.8
What to do
Solution: 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.
References (6)
- https://cert.vde.com/de-de/advisories/vde-2020-040 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20210601 SEC Consult SA-20210601-0 :: Multiple critical vulnerabilities in Korenix Technology JetNet Series (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- http://packetstormsecurity.com/files/162903/Korenix-CSRF-Backdoor-Accounts-Command-Injection-Missing-Authentication.html (opens in a new tab)x_refsource_MISCx_transferred
- https://sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-korenix-technology-westermo-pepperl-fuchs/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://cert.vde.com/en-us/advisories/vde-2020-053 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://packetstormsecurity.com/files/165875/Korenix-Technology-JetWave-CSRF-Command-Injection-Missing-Authentication.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-12503)Record last updated .