CVE-2021-31010

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-08-25. Federal remediation due 2022-09-15.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

3.67% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 88.7% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD analysis status

Analyzed. 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

2021-08-24 18:51Z5 YR AGO

Last updated

2025-10-21 23:25Z10 MO AGO

Reserved

2021-04-13

Assigning CNA

apple

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses

• CWE-502Deserialization of Untrusted DataBase

Data version

5.1

Document digest

b3fab896666864f9a6de70a9bcb55a75c4ffc924554d93750d756621c4880929

• support.apple.comhttps://support.apple.com/en-us/HT212804x_refsource_MISC
• support.apple.comhttps://support.apple.com/en-us/HT212805x_refsource_MISC
• support.apple.comhttps://support.apple.com/en-us/HT212807x_refsource_MISC
• support.apple.comhttps://support.apple.com/en-us/HT212806x_refsource_MISC
• support.apple.comhttps://support.apple.com/en-us/HT212824x_refsource_MISC
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31010government-resource