How severe is CVE-2024-23783?

CVE-2024-23783 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-23783 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23783?

CVE-2024-23783 primarily affects Sharp Jh-rvb1 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-23783?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-23783 have an EU (EUVD) identifier?

Yes. CVE-2024-23783 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21236.

When was CVE-2024-23783 published?

CVE-2024-23783 was published on 2024-02-14 and last updated on 2026-06-17.

CVE-2024-23783

CVE-2024-23783 is a high-severity vulnerability in Sharp Jh-rvb1 Firmware with a CVSS 3.x base score of 8.8. 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-306.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-21236
Weakness: CWE-306
Affected product: Sharp Jh-rvb1 Firmware
Published: 2024-02-14
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-23783?: 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.
How severe is CVE-2024-23783?: CVE-2024-23783 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-23783 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23783?: CVE-2024-23783 primarily affects Sharp Jh-rvb1 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-23783?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-23783 have an EU (EUVD) identifier?: Yes. CVE-2024-23783 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21236.
When was CVE-2024-23783 published?: CVE-2024-23783 was published on 2024-02-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:sharp:jh-rvb1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sharp:jh-rv11_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Sharp Jh-rvb1 Firmware

CVE-2024-23786 — Critical (CVSS 9.3): Cross-site scripting vulnerability in Energy Management Controller with Cloud Services JH-RVB1 /JH-RV11 Ver.B0.1.9.1…
CVE-2024-23789 — High (CVSS 8.8): Energy Management Controller with Cloud Services JH-RVB1 /JH-RV11 Ver.B0.1.9.1 and earlier allows a network-adjacent…
CVE-2024-23788 — High (CVSS 8.1): Server-side request forgery vulnerability in Energy Management Controller with Cloud Services JH-RVB1 /JH-RV11…
CVE-2024-23787 — Medium (CVSS 6.5): Path traversal vulnerability in Energy Management Controller with Cloud Services JH-RVB1 /JH-RV11 Ver.B0.1.9.1 and…
CVE-2024-23785 — Medium (CVSS 6.5): Cross-site request forgery vulnerability in Energy Management Controller with Cloud Services JH-RVB1 /JH-RV11…
CVE-2024-23784 — Medium (CVSS 6.5): Improper access control vulnerability exists in Energy Management Controller with Cloud Services JH-RVB1 /JH-RV11…

All CVEs affecting Sharp Jh-rvb1 Firmware →

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