CVE-2021-3012

CVE-2021-3012 is a medium-severity vulnerability in Esri Arcgis Enterprise 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 Document Link of documents in ESRI Enterprise before 10.9 allows remote authenticated users to inject arbitrary JavaScript code via a malicious HTML attribute such as onerror (in the URL field of the Parameters tab).

Frequently asked questions

What is CVE-2021-3012?
A cross-site scripting (XSS) vulnerability in the Document Link of documents in ESRI Enterprise before 10.9 allows remote authenticated users to inject arbitrary JavaScript code via a malicious HTML attribute such as onerror (in the URL field of the Parameters tab).
How severe is CVE-2021-3012?
CVE-2021-3012 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-2021-3012 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3012?
CVE-2021-3012 affects Esri Arcgis Enterprise. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3012?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3012 published?
CVE-2021-3012 was published on 2021-04-08 and last updated on 2026-06-17.

References

Affected products (1)

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