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.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
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.
- Record
CVE-2021-29110- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-15751
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.
- Record
EUVD-2021-15751- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v4cr-28cr-wjhv
Stored cross-site scripting (XSS) issue in Esri Portal for ArcGIS may allow a remote...
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.
- Record
GHSA-v4cr-28cr-wjhv- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-29110- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-29110 is a medium vulnerability (CVSS 5.4) in Esri Portal For Arcgis, published October 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. No source names a fixed version.