Multiple memory corruption issues were addressed with improved memory handling.
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in Safari 13.0.1, iOS 13.1 and iPadOS 13.1, iCloud for Windows 10.7, iCloud for Windows 7.14, tvOS 13, watchOS 6, iTunes 12.10.1 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.
- Published
- Oct 27, 2020
- Updated
- Jun 16, 2026
- EPSS
- 1.4% · 72th percentile
- CWE
- CWE-787
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Report tools
Action score
35
Monitor
Low priority for now.
- CVSS
- 35 / 40 · 8.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.4%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| apple | icloud | cpe:2.3:a:apple:icloud |
| apple | itunes | cpe:2.3:a:apple:itunes |
| apple | safari | cpe:2.3:a:apple:safari |
| apple | ipad os | cpe:2.3:o:apple:ipad_os |
| apple | iphone os | cpe:2.3:o:apple:iphone_os |
| apple | tvos | cpe:2.3:o:apple:tvos |
| apple | watchos | cpe:2.3:o:apple:watchos |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- apple icloudbefore 7.14
- apple icloud10.0 and later · before 10.7
- apple ipad osbefore 13.1
- apple iphone osbefore 13.1
- apple itunesbefore 12.10.1
- apple safaribefore 13.0.1
- apple tvosbefore 13
- apple watchosbefore 6.0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (apple). Independent of NVD's CPE analysis and usually ahead of it.
Apple iCloud for Windows
- unspecified and later · before 10.7affected
- unspecified and later · before 7.14affected
Apple iOS and iPadOS
- unspecified and later · before 13.1affected
Apple iTunes for Windows
- unspecified and later · before 12.10affected
Apple Safari
- unspecified and later · before 13.0affected
Apple tvOS
- unspecified and later · before 13affected
Apple watchOS
- unspecified and later · before 6affected
Same product
apple: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-8506A type confusion issue was addressed with improved memory handling.KEV70This week
- CVE-2020-27932A type confusion issue was addressed with improved state handling.KEV64This week
- CVE-2020-9850A logic issue was addressed with improved restrictions.62This week
- CVE-2019-8600A memory corruption issue was addressed with improved input validation.45Plan
- CVE-2019-8746An out-of-bounds read was addressed with improved input validation.40Plan
- CVE-2020-9895A use after free issue was addressed with improved memory management.40Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-787 · Out-of-bounds WriteCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- support.apple.com/en-us/HT210603
- support.apple.com/en-us/HT210604
- support.apple.com/en-us/HT210605
- support.apple.com/en-us/HT210607
- support.apple.com/en-us/HT210635
- support.apple.com/en-us/HT210636
- support.apple.com/en-us/HT210637
Vendor advisories and official records. Exploit/PoC links are deliberately left out.