NULL pointer dereference in Openbsd

CVE-2010-4816

It was found in FreeBSD 8.0, 6.3 and 4.9, and OpenBSD 4.6 that a null pointer dereference in ftpd/popen.c may lead to remote denial of service of the ftpd service.

EPSS: 0.024 (82.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Openbsd — versions 4.6, 4.9, 6.3
  • N/a Freebsd And Openbsd Ftpd Service — versions FreeBSD 8.0, 6.3 and 4.9, OpenBSD 4.6

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2010-4816?
CVE-2010-4816 is a high-severity vulnerability in Openbsd, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2021-06-22.
How severe is CVE-2010-4816?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2010-4816 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.