How severe is CVE-2020-12501?

CVE-2020-12501 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12501 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12501?

CVE-2020-12501 primarily affects Pepperl-fuchs Es7510-xt Firmware. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12501?

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

When was CVE-2020-12501 published?

CVE-2020-12501 was published on 2020-10-15 and last updated on 2026-06-17.

CVE-2020-12501

CVE-2020-12501 is a critical-severity vulnerability in Pepperl-fuchs Es7510-xt Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
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) use undocumented accounts.

Frequently asked questions

What is 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.
How severe is CVE-2020-12501?: CVE-2020-12501 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12501 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12501?: CVE-2020-12501 primarily affects Pepperl-fuchs Es7510-xt Firmware. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12501?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-12501 published?: CVE-2020-12501 was published on 2020-10-15 and last updated on 2026-06-17.

References

Affected products (26)

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:korenix:jetnet5428g-20sfp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet5810g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet4510_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet5010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet5310_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet6095_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet4706_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetwave_3220_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetwave_2311_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetnet4706f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetwave_2212s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetwave_2212g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:korenix:jetwave_2212x_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-2020-12500 — 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,…
CVE-2020-12503 — High (CVSS 7.2): 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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