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CVE-2020-5517

21
FAUCET Score

CVE-2020-5517 describes a Cross-Site Request Forgery (CSRF) vulnerability in BlueOnyx 5209R and its firmware, specifically affecting the /login URI. This medium-severity vulnerability (CVSS 6.5) allows an unauthenticated attacker, through user interaction, to gain access to the dashboard, potentially leading to information disclosure through scraping or other analysis. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:blueonyx:5209r_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.64%
Probability of exploitation in next 30 days
EPSS Percentile
46.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0064 is in the 50th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

devel.blueonyx.it / trac/changeset/4034
PatchVendor Advisory
gist.github.com / CyberSecurityUP/26c5b032897630fe8407da4a8ef216d4
ExploitThird Party Advisory
blueonyx.it / news/278/15/5209R5210R-YUM-Updates
Release NotesVendor Advisory