SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-12501

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) use undocumented accounts.

CRITICAL 9.8EPSS 3.34%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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) use undocumented accounts.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.34% probability · 89th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-798
Affected
pepperl-fuchs/es7510-xt firmware · pepperl-fuchs/es8509-xt firmware · pepperl-fuchs/es8510-xt firmware · pepperl-fuchs/es9528-xtv2 firmware · pepperl-fuchs/es7506 firmware · pepperl-fuchs/es7510 firmware · pepperl-fuchs/es7528 firmware · pepperl-fuchs/es8508 firmware · pepperl-fuchs/es8508f firmware · pepperl-fuchs/es8510 firmware · pepperl-fuchs/es8510-xte firmware · pepperl-fuchs/es9528 firmware · pepperl-fuchs/es9528-xt firmware · korenix/jetnet5428g-20sfp firmware · korenix/jetnet5810g firmware · korenix/jetnet4510 firmware · korenix/jetnet5010 firmware · korenix/jetnet5310 firmware · korenix/jetnet6095 firmware · korenix/jetnet4706 firmware · +6 more
Source
info@cert.vde.com
EPSS trend
0%3%5%26 October 2026: 3.34%26 October 202626 October 2026

EPSS 3.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.