HOMEVULNERABILITIESCVE-2024-23783
HIGH

CVE-2024-23783

CWE-306Published: February 14, 2024· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Improper authentication vulnerability in Energy Management Controller with Cloud Services JH-RVB1 /JH-RV11 Ver.B0.1.9.1 and earlier allows a network-adjacent unauthenticated attacker to access the affected product without authentication.

NVD Source

Technical Analysis

CVE-2024-23783 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

sharp4 product(s)
jh-rvb1 firmwarejh-rvb1jh-rv11 firmwarejh-rv11
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://jp.sharp/support/taiyo/info/JVNVU94591337_en.pdf
ADVISORYhttps://jp.sharp/support/taiyo/info/JVNVU94591337_jp.pdf
ADVISORYhttps://jvn.jp/en/vu/JVNVU94591337/
ADVISORYhttps://jp.sharp/support/taiyo/info/JVNVU94591337_en.pdf
ADVISORYhttps://jp.sharp/support/taiyo/info/JVNVU94591337_jp.pdf
ADVISORYhttps://jvn.jp/en/vu/JVNVU94591337/

All References (6)

→
https://jp.sharp/support/taiyo/info/JVNVU94591337_en.pdfVendor Advisory
→
https://jp.sharp/support/taiyo/info/JVNVU94591337_jp.pdfVendor Advisory
→
https://jvn.jp/en/vu/JVNVU94591337/Third Party Advisory
→
https://jp.sharp/support/taiyo/info/JVNVU94591337_en.pdfVendor Advisory
→
https://jp.sharp/support/taiyo/info/JVNVU94591337_jp.pdfVendor Advisory
→
https://jvn.jp/en/vu/JVNVU94591337/Third Party Advisory

Quick Facts

CVE IDCVE-2024-23783
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-306
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 14, 2024

Related CVEs (CWE-306)

CVE-2023-41918
10.0
CVE-2026-62422
10.0
CVE-2023-48426
10.0
CVE-2014-9197
10.0
CVE-2025-9574
10.0
CVE-2024-42017
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2024-23783 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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