CVE-2021-40813

CVE-2021-40813 is a medium-severity vulnerability in Element-it Http Commander with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Description

A cross-site scripting (XSS) vulnerability in the "Zip content" feature in Element-IT HTTP Commander 3.1.9 allows remote authenticated users to inject arbitrary web script or HTML via filenames.

Frequently asked questions

What is CVE-2021-40813?
A cross-site scripting (XSS) vulnerability in the "Zip content" feature in Element-IT HTTP Commander 3.1.9 allows remote authenticated users to inject arbitrary web script or HTML via filenames.
How severe is CVE-2021-40813?
CVE-2021-40813 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-40813 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40813?
CVE-2021-40813 affects Element-it Http Commander. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40813?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-40813 published?
CVE-2021-40813 was published on 2022-01-13 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Element-it Http Commander

All CVEs affecting Element-it Http Commander →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →