CVE-2020-7457
CVSS v3
8.1
HIGH
EPSS Score
33.1 %
exploit probability, as of 2026-10-05
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.
Technical details
- Published
- 2020-07-09
Frequently asked questions
What is CVE-2020-7457?
In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.
Is CVE-2020-7457 actively exploited?
Active exploitation of CVE-2020-7457 has not been confirmed. Its EPSS score was 33.1% on 2026-10-05, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-7457?
CVE-2020-7457 has a CVSS v3 base score of 8.1 (HIGH severity).
Is CVE-2020-7457 affecting your environment?
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