Security readout for executives and security teams
Plain-English summary
CVE-2020-9907 is an Apple memory corruption flaw that could let an application run code with kernel privileges. Apple fixed it by removing vulnerable code in iOS 13.6, iPadOS 13.6, and tvOS 13.4.8. CISA lists it in KEV, so treat unpatched devices as a real operational risk.
Executive priority
Prioritize remediation for Apple device fleets because the flaw can reach kernel privileges and is in CISA KEV. The main business task is confirming update compliance, especially for executive, privileged, and unmanaged devices.
Technical view
The issue is CWE-787 out-of-bounds write memory corruption. The CVSS 3.1 vector is local, low complexity, no privileges required, user interaction required, and high impact to confidentiality, integrity, and availability. Public sources do not identify the exact vulnerable component beyond Apple’s description.
Likely exposure
Exposure is likely limited to Apple iOS, iPadOS, and tvOS devices below the fixed versions. The source bundle does not provide precise vulnerable version ranges, so asset inventory and Apple guidance are needed to confirm affected devices.
Exploitation context
CISA KEV marks CVE-2020-9907 as known exploited. The public bundle does not provide exploit mechanics, observed campaign details, or exploit maturity. The CVSS vector indicates exploitation requires local execution and user interaction.
Researcher notes
Evidence supports kernel-privilege arbitrary code execution from a memory corruption issue fixed by Apple. Details are sparse: no vulnerable subsystem, root cause specifics, or public exploit details are provided in the bundle. Avoid assuming affected versions beyond devices below the named fixed releases.
Mitigation direction
- Update iOS and iPadOS devices to 13.6 or later.
- Update tvOS devices to 13.4.8 or later.
- Use MDM to enforce minimum OS versions across managed devices.
- Check Apple advisories for superseding update guidance.
- Prioritize internet-connected and high-value user devices first.
Validation and detection
- Inventory all managed iOS, iPadOS, and tvOS versions.
- Confirm no devices remain below Apple’s fixed releases.
- Review MDM compliance reports for update failures.
- Check exception lists for unsupported or unmanaged devices.
- Monitor Apple and CISA sources for newer guidance.
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-787: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-9907 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
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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.
CISA KEV status
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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/HT211288CVE reference · x_refsource_MISC
- https://support.apple.com/HT211290CVE reference · x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9907CVE reference · government-resource
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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.