How severe is CVE-2021-33211?

CVE-2021-33211 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-33211 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33211?

CVE-2021-33211 affects Element-it Http Commander. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33211?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-33211 published?

CVE-2021-33211 was published on 2021-07-14 and last updated on 2026-06-17.

CVE-2021-33211

CVE-2021-33211 is a medium-severity vulnerability in Element-it Http Commander with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Element-it Http Commander
Published: 2021-07-14
Last modified: 2026-06-17

Description

A Directory Traversal vulnerability in the Unzip feature in Elements-IT HTTP Commander 5.3.3 allows remote authenticated users to write files to arbitrary directories via relative paths in ZIP archives.

Frequently asked questions

What is CVE-2021-33211?: A Directory Traversal vulnerability in the Unzip feature in Elements-IT HTTP Commander 5.3.3 allows remote authenticated users to write files to arbitrary directories via relative paths in ZIP archives.
How severe is CVE-2021-33211?: CVE-2021-33211 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-33211 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33211?: CVE-2021-33211 affects Element-it Http Commander. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33211?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33211 published?: CVE-2021-33211 was published on 2021-07-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:element-it:http_commander:5.3.3:*:*:*:*:*:*:*

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