How severe is CVE-2021-22255?

CVE-2021-22255 has a CVSS 3.x base score of 7.7, 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 none, and availability none.

Is CVE-2021-22255 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-2021-22255?

CVE-2021-22255 affects Baserow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22255?

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-2021-22255 published?

CVE-2021-22255 was published on 2021-08-20 and last updated on 2026-06-17.

CVE-2021-22255

CVE-2021-22255 is a high-severity vulnerability in Baserow with a CVSS 3.x base score of 7.7. 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: High (CVSS 3.x base score 7.7)
CVSS v2: 4.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Baserow
Published: 2021-08-20
Last modified: 2026-06-17

Description

SSRF in URL file upload in Baserow <1.1.0 allows remote authenticated users to retrieve files from the internal server network exposed over HTTP by inserting an internal address.

Frequently asked questions

What is CVE-2021-22255?: SSRF in URL file upload in Baserow <1.1.0 allows remote authenticated users to retrieve files from the internal server network exposed over HTTP by inserting an internal address.
How severe is CVE-2021-22255?: CVE-2021-22255 has a CVSS 3.x base score of 7.7, 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 none, and availability none.
Is CVE-2021-22255 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-2021-22255?: CVE-2021-22255 affects Baserow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22255?: 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-2021-22255 published?: CVE-2021-22255 was published on 2021-08-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:baserow:baserow:*:*:*:*:*:*:*:*

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