synced 14 MIN AGO
01 Record

CVE-2021-30681

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6,

UnratedPUBLISHEDCNA: apple
CNA base scoreUnratedNo CNA CVSS vector

02 Description

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6,

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
1.02% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 63.3% 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
2021-09-08 14:30Z5 YR AGO
Last updated
2024-08-03 22:40Z2 YR AGO
Reserved
2021-04-13
Assigning CNA
apple
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
a214a32b6e826d1920db9b623e9eb34ffce35183cd0f80a43a9818cf22db7be6

05 Affected products

VendorProductVersionsPlatforms
AppleiOS and iPadOS< 14.6—
ApplemacOS< 11.4, < 2021, < 7.5—

06 References