How severe is CVE-2020-14500?

CVE-2020-14500 has a CVSS 3.x base score of 10.0, 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-2020-14500 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14500?

CVE-2020-14500 affects Secomea Gatemanager 8250 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14500?

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-2020-14500 published?

CVE-2020-14500 was published on 2020-08-25 and last updated on 2026-06-17.

CVE-2020-14500

CVE-2020-14500 is a critical-severity vulnerability in Secomea Gatemanager 8250 Firmware with a CVSS 3.x base score of 10.0. 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-476.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 7.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Secomea Gatemanager 8250 Firmware
Published: 2020-08-25
Last modified: 2026-06-17

Description

Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.

Frequently asked questions

What is CVE-2020-14500?: Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
How severe is CVE-2020-14500?: CVE-2020-14500 has a CVSS 3.x base score of 10.0, 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-2020-14500 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14500?: CVE-2020-14500 affects Secomea Gatemanager 8250 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14500?: 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-2020-14500 published?: CVE-2020-14500 was published on 2020-08-25 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-210-01

Affected products (1)

cpe:2.3:o:secomea:gatemanager_8250_firmware:9.2c:*:*:*:*:*:*:*

More vulnerabilities in Secomea Gatemanager 8250 Firmware

CVE-2020-14510 — Critical (CVSS 9.8): GateManager versions prior to 9.2c, The affected product contains a hard-coded credential for telnet, allowing an…
CVE-2020-29026 — Critical (CVSS 9.0): A directory traversal vulnerability exists in the file upload function of the GateManager that allows an authenticated…
CVE-2020-29032 — High (CVSS 8.4): Upload of Code Without Integrity Check vulnerability in firmware archive of Secomea GateManager allows authenticated…
CVE-2020-14512 — High (CVSS 8.1): GateManager versions prior to 9.2c, The affected product uses a weak hash type, which may allow an attacker to view…
CVE-2020-14508 — High (CVSS 8.1): GateManager versions prior to 9.2c, The affected product is vulnerable to an off-by-one error, which may allow an…
CVE-2022-25787 — High (CVSS 7.5): Information Exposure Through Query Strings in GET Request vulnerability in LMM API of Secomea GateManager allows system…

All CVEs affecting Secomea Gatemanager 8250 Firmware →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…
CVE-2024-55193 — Critical (CVSS 9.8): OpenImageIO v3.1.0.0dev was discovered to contain a segmentation violation via the component /OpenImageIO/string_view.h.

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