Security readout for executives and security teams
Plain-English summary
PingID Windows Login before 2.7 had an RSA configuration weakness that could let a highly privileged attacker precompute guesses offline and bypass MFA. This threatens the trustworthiness of Windows login MFA where the older component is deployed, but the CVE does not report active exploitation.
Executive priority
Treat as high priority for environments using PingID Windows Login, especially on privileged workstations or servers. It is not presented as internet-wide emergency exploitation, but MFA bypass risk can undermine a key control if vulnerable versions remain installed.
Technical view
The CVE describes misconfigured RSA in PingID Windows Login prior to 2.7, enabling pre-computed dictionary attacks and possible offline MFA bypass. CVSS 3.1 is 7.7 with network attack vector, high complexity, high privileges required, changed scope, and high confidentiality and integrity impact.
Likely exposure
Exposure is limited to environments running PingID Windows Login versions before 2.7. The affected version range is not further enumerated in the supplied sources, so asset inventory should confirm exact installed versions and where Windows login MFA is enforced.
Exploitation context
The source bundle does not show CISA KEV listing or cited active exploitation. The attack is described as offline and dictionary-based, but requires high privileges and high complexity, which lowers opportunistic risk while preserving meaningful impact if an attacker already has strong access.
Researcher notes
Evidence is concise: misconfigured RSA, pre-computed dictionary attacks, and offline MFA bypass before 2.7. No exploit details, patch advisory text, or affected build list beyond the version threshold were provided, so validation should stay version- and deployment-focused.
Mitigation direction
- Upgrade PingID Windows Login to version 2.7 or later where deployed.
- Check Ping Identity guidance for current supported versions and remediation notes.
- Prioritize systems where Windows login MFA protects privileged or sensitive access.
- Review compensating controls if immediate upgrade is not possible.
Validation and detection
- Inventory endpoints and servers running PingID Windows Login.
- Confirm installed versions are not prior to 2.7.
- Verify Windows login MFA paths still enforce expected PingID controls after remediation.
- Document any systems awaiting vendor guidance or upgrade scheduling.
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
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ATT&CK lookup starting points
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CWE-288: Exact CWE lookup
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Open ATT&CK lookupCWE-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-2021-41992 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/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:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N1.35.8Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.7HighVector: CVSS:3.1/AV:N/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/klc1641469599716.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.