How severe is CVE-2021-33213?

CVE-2021-33213 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 high, integrity none, and availability none.

Is CVE-2021-33213 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33213?

CVE-2021-33213 affects Element-it Http Commander. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33213?

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

When was CVE-2021-33213 published?

CVE-2021-33213 was published on 2021-07-14 and last updated on 2026-06-17.

CVE-2021-33213

CVE-2021-33213 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-918.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Element-it Http Commander
Published: 2021-07-14
Last modified: 2026-06-17

Description

An SSRF vulnerability in the "Upload from URL" feature in Elements-IT HTTP Commander 5.3.3 allows remote authenticated users to retrieve HTTP and FTP files from the internal server network by inserting an internal address.

Frequently asked questions

What is CVE-2021-33213?: An SSRF vulnerability in the "Upload from URL" feature in Elements-IT HTTP Commander 5.3.3 allows remote authenticated users to retrieve HTTP and FTP files from the internal server network by inserting an internal address.
How severe is CVE-2021-33213?: CVE-2021-33213 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 high, integrity none, and availability none.
Is CVE-2021-33213 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33213?: CVE-2021-33213 affects Element-it Http Commander. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33213?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33213 published?: CVE-2021-33213 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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