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CVE-2023-27920

MEDIUM
4.3
CVSS Score
Published: May 23, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:46 AM UTC
4 products affected across 1 vendorSv Cpt MC310 FirmwareSv Cpt MC310F FirmwareSolarView Compact SV-CPT-MC310F

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Severity
MEDIUM4.3
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

Improper access control vulnerability in the system date/time setting page of SolarView Compact SV-CPT-MC310 versions prior to Ver.8.10 and SV-CPT-MC310F versions prior to Ver.8.10 allows a remote authenticated attacker to alter system date/time of the affected product.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Sv Cpt MC310 Firmware· Contec
95%
v < 8.10
Affected range stops below 8.10, so it looks safe — our inference, not a vendor statement
contec-sv-cpt-mc310 (same device)
Sv Cpt MC310F Firmware· Contec
95%
v < 8.10
Affected range stops below 8.10, so it looks safe — our inference, not a vendor statement
contec-sv-cpt-mc310f (same device)
SV-CPT-MC310· Contec
60%
SV-CPT-MC310 versions prior to Ver.8.10, and SV-CPT-MC310F versions prior to Ver.8.10
SolarView Compact SV-CPT-MC310F· Contecdevice
80%
All versions

References (3)

Third Party Advisory
Source: [email protected]
https://jvn.jp/en/vu/JVNVU92106300/
Vendor Advisory
Source: [email protected]
https://www.contec.com/jp/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_solarview_230508.pdf
Vendor Advisory
Source: [email protected]
https://www.contec.com/jp/download/donwload-list/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e#firmware

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-OtherCWE-863

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