HIGH CISA KEV

CVE-2021-25487

CVSS v3

7.8

HIGH

EPSS Score

2.4%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.

CISA Known Exploited Vulnerability

Date Added
6/29/2023
Patch Due Date
7/20/2023
Ransomware Use
Unknown

Technical details

Published
10/6/2021

Frequently asked questions

What is CVE-2021-25487?

Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.

Is CVE-2021-25487 actively exploited?

Yes. CVE-2021-25487 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 7/20/2023.

What is the CVSS score for CVE-2021-25487?

CVE-2021-25487 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2021-25487 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.