What is CVE-2021-29108?

CVE-2021-29108 is a high-severity vulnerability in Esri Portal For Arcgis, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.8/10. Published 2021-10-01.

How severe is CVE-2021-29108?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Esri Portal For Arcgis

CVE-2021-29108

There is an privilege escalation vulnerability in organization-specific logins in Esri Portal for ArcGIS versions 10.9 and below that may allow a remote, authenticated attacker who is able to intercept and modify a SAML assertion to impers…

EPSS: 0.003 (52.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Esri Portal For Arcgis — versions 10.9.0

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/Portal-for-A…
downloads.esri.com/RESOURCES/ENTERPRISEGIS/Organization-Specific_Logins_FAQs.pdf

Frequently asked questions

What is CVE-2021-29108?: CVE-2021-29108 is a high-severity vulnerability in Esri Portal For Arcgis, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.8/10. Published 2021-10-01.
How severe is CVE-2021-29108?: High severity. CVSS v3 base score is 8.8 out of 10.