Security readout for executives and security teams
Plain-English summary
This Apple lock-screen flaw could let someone holding a locked iPhone or iPad view private contact information. It is a privacy and physical-access risk, not a remote compromise based on the provided sources. Apple says it was fixed in iOS 15.2 and iPadOS 15.2.
Executive priority
Treat this as a moderate-priority privacy exposure. It does not appear remotely exploitable from the provided sources, but contact data on locked devices can still matter for executives, regulated roles, and lost-device scenarios.
Technical view
CVE-2021-30956 is a lock-screen state management issue in Apple iOS and iPadOS. The public description says an attacker with physical access may see private contact information. Apple addressed it with improved state management in iOS 15.2 and iPadOS 15.2. No CVSS, CWE, or exact affected version range is provided.
Likely exposure
Exposure is most likely on iPhone or iPad devices running iOS or iPadOS versions before 15.2. The source bundle does not identify exact affected versions or device models.
Exploitation context
The provided sources do not report active exploitation, and CISA KEV status is false. Exploitation requires physical access to the locked device, limiting scale but increasing concern for lost, stolen, shared, or high-risk executive devices.
Researcher notes
Public details are sparse: no CVSS, CWE, affected version range, exploit narrative, or proof-of-concept is provided. Avoid assuming broader data access. Validation should focus on OS version posture and whether Apple has updated the advisory.
Mitigation direction
- Update eligible devices to iOS 15.2, iPadOS 15.2, or later.
- Use MDM compliance policies to block outdated iOS and iPadOS versions.
- Review Apple’s advisory for any later scope or remediation guidance.
- Prioritize lost, stolen, shared, kiosk, and executive devices.
Validation and detection
- Inventory managed iOS and iPadOS versions across the fleet.
- Confirm no managed devices remain below version 15.2.
- Check Apple’s advisory against internal device support matrices.
- Review physical-access incident records for exposed high-risk devices.
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.
CVE-2021-30956 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/HT212976CVE 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.