How severe is CVE-2020-5517?

CVE-2020-5517 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-5517 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5517?

CVE-2020-5517 affects Blueonyx 5209r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5517?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-5517 published?

CVE-2020-5517 was published on 2020-05-05 and last updated on 2026-06-17.

CVE-2020-5517

CVE-2020-5517 is a medium-severity vulnerability in Blueonyx 5209r Firmware with a CVSS 3.x base score of 6.5. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Blueonyx 5209r Firmware
Published: 2020-05-05
Last modified: 2026-06-17

Description

CSRF in the /login URI in BlueOnyx 5209R allows an attacker to access the dashboard and perform scraping or other analysis.

Frequently asked questions

What is CVE-2020-5517?: CSRF in the /login URI in BlueOnyx 5209R allows an attacker to access the dashboard and perform scraping or other analysis.
How severe is CVE-2020-5517?: CVE-2020-5517 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-5517 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5517?: CVE-2020-5517 affects Blueonyx 5209r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5517?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5517 published?: CVE-2020-5517 was published on 2020-05-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:blueonyx:5209r_firmware:-:*:*:*:*:*:*:*

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