Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2020-5517: CSRF in the /login URI in BlueOnyx 5209R allows an attacker to access the dashboard and perform scraping or ot

40
This month
MEDIUM 6.5MITIGATE

CVE-2020-5517 is a medium-severity flaw (CVSS 6.5) affecting 5209r firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

  • Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score6.5 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.6% (top 49%)
CISA exploited listNo
WeaknessCWE-352
Published2020-05-05
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: blueonyx

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

blueonyx 5209r firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-5517?

5209r firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-5517 being exploited?

CVE-2020-5517 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-5517 affect?

CVE-2020-5517 affects 5209r firmware. Severity is medium (CVSS 6.5). CSRF in the /login URI in BlueOnyx 5209R allows an attacker to access the dashboard and perform scraping or other analysis.

How urgent is CVE-2020-5517?

Priority 40/100. Public exploit reference

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.