How severe is CVE-2020-23040?

CVE-2020-23040 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-23040 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23040?

CVE-2020-23040 affects Sky File Project Sky File. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23040?

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.

When was CVE-2020-23040 published?

CVE-2020-23040 was published on 2021-10-22 and last updated on 2026-06-17.

CVE-2020-23040

CVE-2020-23040 is a high-severity vulnerability in Sky File Project Sky File with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Sky File Project Sky File
Published: 2021-10-22
Last modified: 2026-06-17

Description

Sky File v2.1.0 contains a directory traversal vulnerability in the FTP server which allows attackers to access sensitive data and files via 'null' path commands.

Frequently asked questions

What is CVE-2020-23040?: Sky File v2.1.0 contains a directory traversal vulnerability in the FTP server which allows attackers to access sensitive data and files via 'null' path commands.
How severe is CVE-2020-23040?: CVE-2020-23040 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-23040 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23040?: CVE-2020-23040 affects Sky File Project Sky File. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23040?: 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.
When was CVE-2020-23040 published?: CVE-2020-23040 was published on 2021-10-22 and last updated on 2026-06-17.

References

https://www.vulnerability-lab.com/get_content.php?id=2207

Affected products (1)

cpe:2.3:a:sky_file_project:sky_file:2.1.0:*:*:*:*:iphone_os:*:*

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