CVE-2020-14511
CVE-2020-14511 is a critical-severity vulnerability in Moxa Edr-g902-t 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-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (68th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Moxa Edr-g902-t Firmware
- Published:
- Last modified:
Description
Malicious operation of the crafted web browser cookie may cause a stack-based buffer overflow in the system web server on the EDR-G902 and EDR-G903 Series Routers (versions prior to 5.4).
Frequently asked questions
- What is CVE-2020-14511?
- Malicious operation of the crafted web browser cookie may cause a stack-based buffer overflow in the system web server on the EDR-G902 and EDR-G903 Series Routers (versions prior to 5.4).
- How severe is CVE-2020-14511?
- CVE-2020-14511 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-2020-14511 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-14511?
- CVE-2020-14511 primarily affects Moxa Edr-g902-t Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-14511?
- 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-2020-14511 published?
- CVE-2020-14511 was published on 2020-07-15 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:o:moxa:edr-g902-t_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:moxa:edr-g902_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:moxa:edr-g903-t_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:moxa:edr-g903_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Moxa Edr-g902-t Firmware
- CVE-2020-28144 — Critical (CVSS 9.8): Certain Moxa Inc products are affected by an improper restriction of operations in EDR-G903 Series Firmware Version 5.5…
- CVE-2023-4452 — Medium (CVSS 6.5): A vulnerability has been identified in the EDR-810, EDR-G902, and EDR-G903 Series, making them vulnerable to the…
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