How severe is CVE-2020-14508?

CVE-2020-14508 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-14508 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14508?

CVE-2020-14508 affects Secomea Gatemanager 8250 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14508?

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-2020-14508 published?

CVE-2020-14508 was published on 2020-08-25 and last updated on 2026-06-17.

CVE-2020-14508

CVE-2020-14508 is a high-severity vulnerability in Secomea Gatemanager 8250 Firmware with a CVSS 3.x base score of 8.1. 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-193.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 7.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-193
Affected product: Secomea Gatemanager 8250 Firmware
Published: 2020-08-25
Last modified: 2026-06-17

Description

GateManager versions prior to 9.2c, The affected product is vulnerable to an off-by-one error, which may allow an attacker to remotely execute arbitrary code or cause a denial-of-service condition.

Frequently asked questions

What is CVE-2020-14508?: GateManager versions prior to 9.2c, The affected product is vulnerable to an off-by-one error, which may allow an attacker to remotely execute arbitrary code or cause a denial-of-service condition.
How severe is CVE-2020-14508?: CVE-2020-14508 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-14508 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14508?: CVE-2020-14508 affects Secomea Gatemanager 8250 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14508?: 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-2020-14508 published?: CVE-2020-14508 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-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
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-2022-25787 — High (CVSS 7.5): Information Exposure Through Query Strings in GET Request vulnerability in LMM API of Secomea GateManager allows system…

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Other CWE-193 (Off-by-one Error) vulnerabilities

CVE-2024-10442 — Critical (CVSS 10.0): Off-by-one error vulnerability in the transmission component in Synology Replication Service before 1.0.12-0066,…
CVE-2026-53309 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: fix off-by-one in dlm_match_regions()…
CVE-2024-38441 — Critical (CVSS 9.8): Netatalk before 3.2.1 has an off-by-one error and resultant heap-based buffer overflow because of setting ibuf[len] to…
CVE-2023-46853 — Critical (CVSS 9.8): In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used…
CVE-2023-38429 — Critical (CVSS 9.8): An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/connection.c in ksmbd has an off-by-one error in…
CVE-2022-34970 — Critical (CVSS 9.8): Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful…

Browse all CWE-193 (Off-by-one Error) vulnerabilities →