CVE-2021-29108 Auth bypass in Portal for ArcGIS
Authenticated attackers can escalate privileges and impersonate accounts by modifying SAML assertions in Esri Portal for ArcGIS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-29108?
CVE-2021-29108 is a high-severity authentication bypass vulnerability in Esri Portal for Arcgis, published on 1 Oct 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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 impersonate another account (XML Signature Wrapping Attack). In addition patching, Esri also strongly recommends as best practice for SAML assertions to be signed and encrypted.
Weakness: CWE-347
Which versions are affected by CVE-2021-29108?
It affects 1 product.
Products include Esri Portal for Arcgis.
How do I fix CVE-2021-29108?
No fix has been published for CVE-2021-29108 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-29108 being exploited?
There is no known exploitation of CVE-2021-29108 in the wild and no public exploit code.
Other vulnerabilities in Esri Portal for Arcgis
Sources
Also known as GHSA-249c-5cfq-cwqh.