synced 11 MIN AGO
01 Record

CVE-2020-3845

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.3. An application may be able to execute arbitrary code with system privileges.

UnratedPUBLISHEDCNA: apple
CNA base scoreUnratedNo CNA CVSS vector

02 Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.3. An application may be able to execute arbitrary code with system privileges.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.33% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 70.6% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-02-27 20:45Z6 YR AGO
Last updated
2024-08-04 07:44Z2 YR AGO
Reserved
2019-12-18
Assigning CNA
apple
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
ebbc3f15fb40d64ab7e7d47c5a3fa31ac5fe783d243b4d0e9eb36f67e192e84c

05 Affected products

VendorProductVersionsPlatforms
ApplemacOS< macOS Catalina 10.15.3—

06 References