CVE-2021-1805

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

1.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 64.4% 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.

Published

2021-04-02 18:06Z5 YR AGO

Last updated

2024-08-03 16:25Z2 YR AGO

Reserved

2020-12-08

Assigning CNA

apple

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

9a1102236b6bb9949c27e9cd7d55060ea1528810d05ccc62bcadec39c89718a6

• support.apple.comhttps://support.apple.com/en-us/HT212177x_refsource_MISC
• support.apple.comhttps://support.apple.com/kb/HT212327x_refsource_CONFIRM
• seclists.org20210427 APPLE-SA-2021-04-26-4 Security Update 2021-003 Mojavehttp://seclists.org/fulldisclosure/2021/Apr/54mailing-listx_refsource_FULLDISC