Security readout for executives and security teams
Plain-English summary
This Apple issue could let someone with physical access to an iOS device infer characteristics of a password typed into a secure text field. The sources describe a confidentiality risk, not remote takeover. Apple says it fixed the logic issue through improved state management in several 2021 platform updates.
Executive priority
Treat this as a hygiene and physical-access confidentiality issue. It is not supported as a remote compromise risk in the bundle, but unpatched shared or public-facing Apple devices should be prioritized for update or replacement.
Technical view
CVE-2021-30915 is described as a logic issue in secure text entry handling. Apple addressed it with improved state management. The stated impact is that a person with physical access to an iOS device may determine characteristics of a user's password in a secure text entry field. No CVSS score or CWE is provided in the bundle.
Likely exposure
Exposure is most likely on Apple devices that missed the listed 2021 updates, especially iOS devices used in shared, public, or physically accessible settings. The source bundle does not identify exact vulnerable version ranges beyond the fixed releases.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation evidence. The described attack condition requires physical access to an iOS device and observation of secure text entry behavior. No remote exploitation path is supported by the cited sources.
Researcher notes
Evidence is limited to Apple and CVE descriptions. The affected product data is broad and versions are unspecified, while fixed releases are explicit. Do not infer exploitability beyond physical access to an iOS device and password-characteristic disclosure unless further vendor detail is available.
Mitigation direction
- Update iOS and iPadOS devices to 15.1 or later.
- Update macOS Monterey to 12.0.1 or later.
- Update Big Sur to 11.6.1 or later.
- Apply Security Update 2021-007 on supported Catalina systems.
- Check Apple guidance for tvOS 15.1 and watchOS 8.1 applicability.
- Limit unattended physical access to devices during password entry.
Validation and detection
- Confirm Apple device OS versions against the listed fixed releases.
- Review MDM compliance reports for devices below fixed versions.
- Spot-check shared or publicly accessible Apple devices.
- Verify unsupported Apple devices are removed, replaced, or risk-accepted.
- Document exceptions where patching is not possible.
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.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-30915 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/HT212869CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212871CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212872CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212867CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212874CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212876CVE 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.