Medium severity · published Feb 10, 2022
CVE-2021-42000
Ping Identity PingFederate Password Reset and Password Change Mishandling with an authentication policy in parallel reset flows
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
When a password reset or password change flow with an authentication policy is configured and the adapter in the reset or change policy supports multiple parallel reset flows, an existing user can reset another existing users password.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PI
PingFederate · Ping Identity
9.3.3-P15 before 9.3.0*; 10.0.11 before 10.0.0*; 10.1.8 before 10.1.0*; 10.2.6 before 10.2.0*; 10.3.2 before 10.3.0* · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42000
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42000
Release Notes
https://docs.pingidentity.com/bundle/pingfederate-103/page/hhm1634833631515.html
Vendor Advisory
https://www.pingidentity.com/en/resources/downloads/pingfederate.html
More from PingFederate
9.8
CVE-2023-40545
PingFederate OAuth client_secret_jwt Authentication Bypass
9.8
CVE-2023-37283
Authentication Bypass via HTML Form & Identifier First Adapter
9.8
CVE-2021-40329
The Authentication API in Ping Identity PingFederate before 10.3 mishandles certain aspects of external password management
8.8
CVE-2022-40724
Cross-Site Request Forgery on PingFederate Local Identity Profiles Endpoint.
8.5
CVE-2026-20773
Improper Authorization in PingFederate Administrative Expression Evaluation Endpoint