How severe is CVE-2023-23333?

CVE-2023-23333 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-23333 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 99% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23333?

CVE-2023-23333 affects Contec Solarview Compact Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-23333?

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

When was CVE-2023-23333 published?

CVE-2023-23333 was published on 2023-02-06 and last updated on 2026-06-17.

CVE-2023-23333

CVE-2023-23333 is a critical-severity vulnerability in Contec Solarview Compact Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 99% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 99% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Contec Solarview Compact Firmware
Published: 2023-02-06
Last modified: 2026-06-17

Description

There is a command injection vulnerability in SolarView Compact through 6.00, attackers can execute commands by bypassing internal restrictions through downloader.php.

Frequently asked questions

What is CVE-2023-23333?: There is a command injection vulnerability in SolarView Compact through 6.00, attackers can execute commands by bypassing internal restrictions through downloader.php.
How severe is CVE-2023-23333?: CVE-2023-23333 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-23333 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 99% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23333?: CVE-2023-23333 affects Contec Solarview Compact Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-23333?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-23333 published?: CVE-2023-23333 was published on 2023-02-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:contec:solarview_compact_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Contec Solarview Compact Firmware

CVE-2023-46509 — Critical (CVSS 9.8): An issue in Contec SolarView Compact v.6.0 and before allows an attacker to execute arbitrary code via the…
CVE-2022-44354 — Critical (CVSS 9.8): SolarView Compact 4.0 and 5.0 is vulnerable to Unrestricted File Upload via a crafted php file.
CVE-2022-40881 — Critical (CVSS 9.8): SolarView Compact 6.00 was discovered to contain a command injection vulnerability via network_test.php
CVE-2023-29919 — Critical (CVSS 9.1): SolarView Compact <= 6.0 is vulnerable to Insecure Permissions. Any file on the server can be read or modified because…
CVE-2023-40924 — High (CVSS 7.5): SolarView Compact < 6.00 is vulnerable to Directory Traversal.
CVE-2022-44355 — Medium (CVSS 6.1): SolarView Compact 7.0 is vulnerable to Cross-site Scripting (XSS) via /network_test.php.

All CVEs affecting Contec Solarview Compact Firmware →

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