How severe is CVE-2020-12503?

CVE-2020-12503 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12503?

CVE-2020-12503 primarily affects Pepperl-fuchs Es7510-xt Firmware. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12503?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-12503 published?

CVE-2020-12503 was published on 2020-10-15 and last updated on 2026-06-17.

CVE-2020-12503

CVE-2020-12503 is a high-severity vulnerability in Pepperl-fuchs Es7510-xt Firmware with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 23% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 23% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Pepperl-fuchs Es7510-xt Firmware
Published: 2020-10-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-12503?: 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.
How severe is CVE-2020-12503?: CVE-2020-12503 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12503?: CVE-2020-12503 primarily affects Pepperl-fuchs Es7510-xt Firmware. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-12503 published?: CVE-2020-12503 was published on 2020-10-15 and last updated on 2026-06-17.

References

Affected products (30)

cpe:2.3:o:pepperl-fuchs:es7510-xt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:es8509-xt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:es8510-xt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:es9528-xtv2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:es7506_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:es7510_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:es7528_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:es8508_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:es8508f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:es8510_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:es8510-xte_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:es9528_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:es9528-xt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:icrl-m-8rj45\/4sfp-g-din_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:icrl-m-16rj45\/4cp-g-din_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet_5428g-20sfp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet_5810g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet_4706f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet_4706_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet_4510_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet_5010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet_5310_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet_6095_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:icrl-m-16rj45\/4cp-g-din_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:icrl-m-8rj45\/4sfp-g-din_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetwave_2212x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetwave_2212s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetwave_2212g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetwave_2311_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetwave_3220_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Pepperl-fuchs Es7510-xt Firmware

CVE-2020-12504 — Critical (CVSS 9.8): Improper Authorization vulnerability of Pepperl+Fuchs P+F Comtrol RocketLinx ES7510-XT, ES8509-XT, ES8510-XT,…
CVE-2020-12501 — Critical (CVSS 9.8): Improper Authorization vulnerability of Pepperl+Fuchs P+F Comtrol RocketLinx ES7510-XT, ES8509-XT, ES8510-XT,…
CVE-2020-12500 — Critical (CVSS 9.8): Improper Authorization vulnerability of Pepperl+Fuchs P+F Comtrol RocketLinx ES7510-XT, ES8509-XT, ES8510-XT,…
CVE-2020-12502 — High (CVSS 8.8): Improper Authorization vulnerability of Pepperl+Fuchs P+F Comtrol RocketLinx ES7510-XT, ES8509-XT, ES8510-XT,…

All CVEs affecting Pepperl-fuchs Es7510-xt Firmware →

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Browse all CWE-863 (Incorrect Authorization) vulnerabilities →