Vulnerability in Samba

CVE-2015-5252

vfs.c in smbd in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, when share names with certain substring relationships exist, allows remote attackers to bypass intended file-access restrictions via a symlink that points outside of a share.

EPSS: 0.133 (96.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-5252?
CVE-2015-5252 is a high-severity vulnerability in Samba, classified under CWE-264. CVSS score: 7.2/10. Published 2015-12-29.
How severe is CVE-2015-5252?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2015-5252 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.