How severe is CVE-2023-27920?

CVE-2023-27920 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-27920 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27920?

CVE-2023-27920 primarily affects Contec Sv-cpt-mc310f 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-2023-27920?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-27920 published?

CVE-2023-27920 was published on 2023-05-23 and last updated on 2026-06-17.

CVE-2023-27920

CVE-2023-27920 is a medium-severity vulnerability in Contec Sv-cpt-mc310f Firmware with a CVSS 3.x base score of 4.3. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Contec Sv-cpt-mc310f Firmware
Published: 2023-05-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-27920?: 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.
How severe is CVE-2023-27920?: CVE-2023-27920 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-27920 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27920?: CVE-2023-27920 primarily affects Contec Sv-cpt-mc310f 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-2023-27920?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27920 published?: CVE-2023-27920 was published on 2023-05-23 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:contec:sv-cpt-mc310f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:contec:sv-cpt-mc310_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Contec Sv-cpt-mc310f Firmware

CVE-2023-27521 — High (CVSS 8.8): OS command injection vulnerability in the mail setting page of SolarView Compact SV-CPT-MC310 versions prior to…
CVE-2023-27518 — High (CVSS 8.8): Buffer overflow vulnerability in the multiple setting pages of SolarView Compact SV-CPT-MC310 versions prior to…
CVE-2023-27514 — High (CVSS 8.8): OS command injection vulnerability in the download page of SolarView Compact SV-CPT-MC310 versions prior to Ver.8.10…
CVE-2022-35239 — High (CVSS 8.8): The image file management page of SolarView Compact SV-CPT-MC310 Ver.7.23 and earlier, and SV-CPT-MC310F Ver.7.23 and…
CVE-2023-27512 — High (CVSS 7.2): Use of hard-coded credentials exists in SolarView Compact SV-CPT-MC310 versions prior to Ver.8.10, and SV-CPT-MC310F…

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