CVE-2021-29110
CVE-2021-29110 is a medium-severity vulnerability in Esri Portal For Arcgis 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
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Esri Portal For Arcgis
- Published:
- Last modified:
Description
Stored cross-site scripting (XSS) issue in Esri Portal for ArcGIS may allow a remote unauthenticated attacker to pass and store malicious strings in the home application.
Frequently asked questions
- What is CVE-2021-29110?
- Stored cross-site scripting (XSS) issue in Esri Portal for ArcGIS may allow a remote unauthenticated attacker to pass and store malicious strings in the home application.
- How severe is CVE-2021-29110?
- CVE-2021-29110 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-2021-29110 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-29110?
- CVE-2021-29110 affects Esri Portal For Arcgis. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-29110?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-29110 published?
- CVE-2021-29110 was published on 2021-10-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:esri:portal_for_arcgis:*:*:*:*:*:*:*:*
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