Security readout for executives and security teams
Plain-English summary
CVE-2021-41994 affects PingID iOS app versions before 1.19 when used with PingID Windows Login. A cryptographic misconfiguration could allow offline MFA bypass through pre-computed dictionary attacks. The practical barrier is high, but the impact is serious for systems relying on this MFA flow.
Executive priority
Treat this as a targeted MFA integrity risk, not a broad internet-facing emergency. Prioritize environments where PingID protects Windows login for privileged users, administrators, or high-value workstations.
Technical view
The CVE describes RSA misconfiguration in the PingID iOS mobile application prior to 1.19. CVSS 3.1 is 6.6 with physical attack vector, high attack complexity, high privileges required, no user interaction, changed scope, and high confidentiality and integrity impact.
Likely exposure
Exposure appears limited to organizations using PingID Windows Login together with PingID iOS app versions earlier than 1.19. The source bundle does not identify other affected Ping Identity products or platforms.
Exploitation context
The CVE source says the flaw can lead to offline MFA bypass, but it is not listed in CISA KEV and no provided source states active exploitation. The CVSS vector indicates physical access, high complexity, and high privileges are required.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, and Ping Identity references. No exploit procedure, patch advisory text, or active exploitation evidence is provided in the bundle. CWE-310 is broad, so root-cause detail remains limited.
Mitigation direction
- Identify PingID Windows Login deployments using PingID iOS authentication.
- Upgrade PingID iOS app installations to version 1.19 or later.
- Review Ping Identity guidance and release notes for confirmed remediation details.
- Prioritize privileged and shared workstation environments first.
- Monitor authentication logs for unusual MFA or Windows Login activity.
Validation and detection
- Inventory PingID iOS app versions across managed devices.
- Confirm no enrolled iOS clients remain below version 1.19.
- Verify whether PingID Windows Login is enabled in the environment.
- Check Ping Identity documentation for product-specific remediation guidance.
- Review MFA bypass alerts or anomalous authentication outcomes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-310: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-41994 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N0.35.8Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.6MediumVector: CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.pingidentity.com/en/resources/downloads/pingid.htmlCVE reference · x_refsource_MISC
- https://docs.pingidentity.com/bundle/pingid/page/ejd1642076304199.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Cryptographic Issues
Cryptographic Issues represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.