HOMEVULNERABILITIESCVE-2020-12503
HIGH

CVE-2020-12503

CWE-863Published: October 15, 2020· Updated: Jun 17, 2026

7.2
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-12503 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

korenix26 product(s)
jetnet 5428g-20sfp firmwarejetnet 5428g-20sfpjetnet 5810g firmwarejetnet 5810gjetnet 4706f firmwarejetnet 4706fjetnet 4706 firmwarejetnet 4706jetnet 4510 firmwarejetnet 4510jetnet 5010 firmwarejetnet 5010+14
pepperl-fuchs30 product(s)
es7510-xt firmwarees7510-xtes8509-xt firmwarees8509-xtes8510-xt firmwarees8510-xtes9528-xtv2 firmwarees9528-xtv2es7506 firmwarees7506es7510 firmwarees7510+18
Source: NVD CPE · 58 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://packetstormsecurity.com/files/162903/Korenix-CSRF-Backdoor-Accounts-Command-Injection-Missing-Authentication.html
ADVISORYhttp://packetstormsecurity.com/files/165875/Korenix-Technology-JetWave-CSRF-Command-Injection-Missing-Authentication.html
ADVISORYhttp://seclists.org/fulldisclosure/2021/Jun/0
ADVISORYhttps://cert.vde.com/de-de/advisories/vde-2020-040
ADVISORYhttps://cert.vde.com/en-us/advisories/vde-2020-053
ADVISORYhttps://sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-korenix-technology-westermo-pepperl-fuchs/
ADVISORYhttp://packetstormsecurity.com/files/162903/Korenix-CSRF-Backdoor-Accounts-Command-Injection-Missing-Authentication.html
ADVISORYhttp://packetstormsecurity.com/files/165875/Korenix-Technology-JetWave-CSRF-Command-Injection-Missing-Authentication.html
ADVISORYhttp://seclists.org/fulldisclosure/2021/Jun/0
ADVISORYhttps://cert.vde.com/de-de/advisories/vde-2020-040
ADVISORYhttps://cert.vde.com/en-us/advisories/vde-2020-053
ADVISORYhttps://sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-korenix-technology-westermo-pepperl-fuchs/

All References (12)

→
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/0Mailing 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
→
https://sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-korenix-technology-westermo-pepperl-fuchs/Third 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/0Mailing 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
→
https://sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-korenix-technology-westermo-pepperl-fuchs/Third Party Advisory

Quick Facts

CVE IDCVE-2020-12503
CVSS Score7.2 / 10
SeverityHIGH
WeaknessCWE-863
CISA KEVNo
Affected2 vendor(s)
PublishedOct 15, 2020

Related CVEs (CWE-863)

CVE-2018-18815
10.0
CVE-2026-48286
10.0
CVE-2026-48321
10.0
CVE-2026-48303
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CVE-2026-44330
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CVE-2020-13300
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-12503 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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