How severe is CVE-2021-3204?

CVE-2021-3204 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-2021-3204 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3204?

CVE-2021-3204 affects Webware Webdesktop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3204?

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

When was CVE-2021-3204 published?

CVE-2021-3204 was published on 2021-02-19 and last updated on 2026-06-17.

CVE-2021-3204

CVE-2021-3204 is a medium-severity vulnerability in Webware Webdesktop 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% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Webware Webdesktop
Published: 2021-02-19
Last modified: 2026-06-17

Description

SSRF in the document conversion component of Webware Webdesktop 5.1.15 allows an attacker to read all files from the server.

Frequently asked questions

What is CVE-2021-3204?: SSRF in the document conversion component of Webware Webdesktop 5.1.15 allows an attacker to read all files from the server.
How severe is CVE-2021-3204?: CVE-2021-3204 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-2021-3204 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3204?: CVE-2021-3204 affects Webware Webdesktop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3204?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3204 published?: CVE-2021-3204 was published on 2021-02-19 and last updated on 2026-06-17.

References

https://www.l0l.xyz/sec/2021/01/05/1-webdesktop-root-ssrf.html

Affected products (1)

cpe:2.3:a:webware:webdesktop:5.1.15:*:*:*:*:*:*:*

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