CVE-2021-40668

CVE-2021-40668 is a high-severity vulnerability in Http File Server Project Http File Server with a CVSS 3.x base score of 8.1. 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

Description

The Android application HTTP File Server (Version 1.4.1) by 'slowscript' is affected by a path traversal vulnerability that permits arbitrary directory listing, file read, and file write.

Frequently asked questions

What is CVE-2021-40668?
The Android application HTTP File Server (Version 1.4.1) by 'slowscript' is affected by a path traversal vulnerability that permits arbitrary directory listing, file read, and file write.
How severe is CVE-2021-40668?
CVE-2021-40668 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-40668 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40668?
CVE-2021-40668 affects Http File Server Project Http File Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40668?
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-2021-40668 published?
CVE-2021-40668 was published on 2022-06-09 and last updated on 2026-06-17.

References

Affected products (1)

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