CVE-2020-12504
CRITICALCVSS 9.8/10EPSS 2.98%
Last modified
CVE-2020-12504 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.98% chance of exploitation in the next 30 days.
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 has an active TFTP-Service.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pepperl-Fuchs | Es7510-Xt Firmware | < 2.1.1 |
| Pepperl-Fuchs | Es8509-Xt Firmware | All versions |
| Pepperl-Fuchs | Es8510-Xt Firmware | All versions |
| Pepperl-Fuchs | Es9528-Xtv2 Firmware | All versions |
| Pepperl-Fuchs | Es7506 Firmware | All versions |
| Pepperl-Fuchs | Es7510 Firmware | All versions |
| Pepperl-Fuchs | Es7528 Firmware | All versions |
| Pepperl-Fuchs | Es8508 Firmware | All versions |
| Pepperl-Fuchs | Es8508f Firmware | All versions |
| Pepperl-Fuchs | Es8510 Firmware | < 3.1.1 |
| Pepperl-Fuchs | Es8510-Xte Firmware | All versions |
| Pepperl-Fuchs | Es9528 Firmware | All versions |
| Pepperl-Fuchs | Es9528-Xt Firmware | All versions |
| Pepperl-Fuchs | Icrl-M-8rj45\/4sfp-G-Din Firmware | <= 1.2.3 |
| Pepperl-Fuchs | Icrl-M-16rj45\/4cp-G-Din Firmware | <= 1.2.3 |
| Korenix | Jetwave 2212s Firmware | 1.5 |
| Korenix | Jetwave 2212g Firmware | 1.4 |
| Korenix | Jetwave 2311 Firmware | 1.2 |
| Korenix | Jetwave 3220 Firmware | 1.2 |
| Korenix | Jetwave 3420 Firmware | 1.1.3t |
| Korenix | Jetwave 2212x Firmware | 1.5 |
| Korenix | Jetwave 5428g-20sfp Firmware | 1.0 |
| Korenix | Jetwave 5810g Firmware | 1.1 |
| Korenix | Jetwave 5310 Firmware | 1.5 |
| Korenix | Jetwave 5010 Firmware | 3.1a |
| Korenix | Jetwave 4706f Firmware | 2.3b |
| Korenix | Jetwave 4706 Firmware | 2.3b |
| Korenix | Jetwave 4510 Firmware | 3.0b |
| Westermo | Pmi-110-F2g Firmware | 1.5 |
References
- http://packetstormsecurity.com/files/162903/Korenix-CSRF-Backdoor-Accounts-Command-Injection-Missing-Authentication.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/165875/Korenix-Technology-JetWave-CSRF-Command-Injection-Missing-Authentication.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Jun/0Exploit, Mailing List, Third Party Advisory
- https://cert.vde.com/de-de/advisories/vde-2020-040Third Party Advisory
- https://cert.vde.com/en-us/advisories/vde-2020-053Third Party Advisory
- http://packetstormsecurity.com/files/162903/Korenix-CSRF-Backdoor-Accounts-Command-Injection-Missing-Authentication.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/165875/Korenix-Technology-JetWave-CSRF-Command-Injection-Missing-Authentication.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Jun/0Exploit, Mailing List, Third Party Advisory
- https://cert.vde.com/de-de/advisories/vde-2020-040Third Party Advisory
- https://cert.vde.com/en-us/advisories/vde-2020-053Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-12504?
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.
How severe is CVE-2020-12504?
CVE-2020-12504 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.98% probability of exploitation in the next 30 days.
How do I fix CVE-2020-12504?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-12504?
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Scan your code nowSource: NVD / NIST