Medium severity · published Oct 1, 2021
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
5.4
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Portal For Arcgis · Esri
through 10.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-29110
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-29110
Patch
https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/Portal-for-ArcGIS-Security-2021-Update-1-Patch/
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