CVE•Published 2026-06-03•Modified 2026-06-05•0 articles on news•5 live references•NVD data
CVE-2023-52951Synology · Note_station_client
Vulnerability data via NVD (ingested)
CVSS v3.1
5.9
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS percentile
5
Exploit Prediction Scoring System · top 95% of all CVEs
Weaknesses (CWE)
Description
A cleartext transmission of sensitive information vulnerability in Synology Note Station Client before 2.2.4-703 allows man-in-the-middle attackers to obtain user credential.
Timeline
Published 2026-06-03
Modified 2026-06-05
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-52951Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Synology Note Station Client"All exposed Synology Note Station Client instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Note Station Client"HTTP body or banner mentions "Note Station Client" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-52951Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-52951Censys host search filtered to this CVE id.
grep.app
CVE-2023-52951Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-52951GitHub code search for direct mentions.
Google dork
"CVE-2023-52951" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2023-52951 on GitHub.
We haven't classified any articles referencing CVE-2023-52951 yet. The external references above still apply.