UpHeron
All vulnerabilities

Servers and applications

CVE-2013-4496

Samba 3.x before 3.6.23, 4.0.x before 4.0.16, and 4.1.x before 4.1.6 does not enforce the password-guessing protection mechanism for all interfaces, which makes it easier for remote attackers to obtain access via brute-force ChangePasswordUser2 (1) SAMR or (2) RAP attempts.

Severity
Medium 5.0
Published
14 Mar 2014
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.6.23, 4.0.16, 4.1.6
Exploit chance
9.8% in the next 30 daysHigher than 95% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-255
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
SambaServers and applications · cpe:a:samba:samba
  • From 3.4.0 before 3.6.23
  • From 4.0.0 before 4.0.16
  • From 4.1.0 before 4.1.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2013-4496
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2013-4496