How severe is CVE-2023-43177?

CVE-2023-43177 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-2023-43177 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 82% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43177?

CVE-2023-43177 affects Crushftp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43177?

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-2023-43177 published?

CVE-2023-43177 was published on 2023-11-18 and last updated on 2026-06-17.

CVE-2023-43177

CVE-2023-43177 is a critical-severity vulnerability in Crushftp with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 82% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-913.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 82% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-913
Affected product: Crushftp
Published: 2023-11-18
Last modified: 2026-06-17

Description

CrushFTP prior to 10.5.1 is vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes.

Frequently asked questions

What is CVE-2023-43177?: CrushFTP prior to 10.5.1 is vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes.
How severe is CVE-2023-43177?: CVE-2023-43177 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-2023-43177 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 82% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43177?: CVE-2023-43177 affects Crushftp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43177?: 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-2023-43177 published?: CVE-2023-43177 was published on 2023-11-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:crushftp:crushftp:*:*:*:*:*:*:*:*

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