PatchSiren cyber security CVE debrief
CVE-2020-3837 Apple CVE debrief
CVE-2020-3837 is an Apple memory corruption vulnerability affecting multiple products and listed by CISA in the Known Exploited Vulnerabilities catalog. Because CISA has identified it as known exploited, organizations should treat it as a high-priority patching item and apply Apple updates per vendor instructions.
- Vendor
- Apple
- Product
- Multiple Products
- CVSS
- Unknown
- CISA KEV
- Listed
- Original CVE published
- 2022-06-27
- Original CVE updated
- 2022-06-27
- Advisory published
- 2022-06-27
- Advisory updated
- 2022-06-27
Who should care
Organizations and individuals that manage or use Apple products, especially security teams responsible for endpoint patching, asset inventory, and vulnerability remediation.
Technical summary
The supplied corpus identifies CVE-2020-3837 as a memory corruption vulnerability in Apple multiple products. No further component, version-range, or exploitation detail is provided in the supplied source set, but CISA’s KEV listing indicates it is known to be exploited in the wild.
Defensive priority
High. CISA KEV inclusion means remediation should be prioritized over routine patch cycles, with attention to Apple devices that are exposed, managed remotely, or difficult to update.
Recommended defensive actions
- Inventory all Apple products in scope and confirm which systems may be affected.
- Apply Apple vendor updates and remediation guidance as soon as possible.
- Prioritize patching for internet-facing, high-value, or frequently targeted endpoints first.
- Verify remediation before the CISA KEV due date and confirm devices remain current afterward.
- Track any vendor advisories or security update notes that reference CVE-2020-3837.
Evidence notes
This debrief is intentionally limited to the supplied corpus and official links. The only explicit facts provided are the CVE identifier, Apple vendor attribution, memory corruption classification, and CISA KEV status with the listed dateAdded/dueDate. No additional exploitation mechanics, affected versions, or root-cause specifics were supplied.
Official resources
-
CVE-2020-3837 CVE record
CVE.org
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CVE-2020-3837 NVD detail
NVD
-
CISA Known Exploited Vulnerabilities catalog
CISA - Apply updates per vendor instructions.
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Source item URL
cisa_kev
Publicly disclosed and cataloged by CISA as a Known Exploited Vulnerability on 2022-06-27, with a remediation due date of 2022-07-18. The supplied corpus does not include additional technical disclosure details beyond the Apple memory-corru