CVE-2020-12500
Pepperl+Fuchs improper authorization affects multiple Comtrol RocketLinx products
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) allows unauthenticated device administration.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Pepperl+Fuchs improper authorization affects multiple Comtrol RocketLinx products
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) allows unauthenticated device administration.
- Record
CVE-2020-12500- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2020-4802
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) allows unauthenticated device administration.
- Record
EUVD-2020-4802- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g459-4fqq-mr69
Improper Authorization vulnerability of Pepperl+Fuchs P+F Comtrol RocketLinx ES7510-XT, ES8509-XT...
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) allows unauthenticated device administration.
- Record
GHSA-g459-4fqq-mr69- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-285, CWE-306, CWE-863
- Updated
- 2026-11-02
NVD
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) allows unauthenticated device administration.
- Record
CVE-2020-12500- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
- pepperl+fuchs p+f comtrol rocketlinx
- korenix jetnet
- pepperl-fuchs es7506 firmware
- pepperl-fuchs es7510-xt firmware
- pepperl-fuchs es7510 firmware
- pepperl-fuchs es7528 firmware
- pepperl-fuchs es8508 firmware
- pepperl-fuchs es8508f firmware
- pepperl-fuchs es8509-xt firmware
- pepperl-fuchs es8510-xt firmware
- pepperl-fuchs es8510-xte firmware
- pepperl-fuchs es8510 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-12500 is a critical vulnerability (CVSS 9.8) in Pepperl+fuchs P+f Comtrol Rocketlinx, published October 15, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.89%, the 86th percentile. No source names a fixed version.
References
cert.vde.com/de-de/advisories/vde-2020-040
seclists.org/fulldisclosure/2021/Jun/0
packetstormsecurity.com/files/162903/Korenix-CSRF-Backdoor-Accounts-Command-Injection-Missing-Authentication.html
sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-korenix-technology-westermo-pepperl-fuchs
nvd.nist.gov/vuln/detail/CVE-2020-12500
github.com/advisories/GHSA-g459-4fqq-mr69