SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-1057

On a Samba 4 AD DC the LDAP server in all versions of Samba from 4.0.0 onwards incorrectly validates permissions to modify passwords over LDAP allowing authenticated users to change any other users' passwords, including administrative users and…

HIGH 8.8EPSS 10.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 10.0%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

On a Samba 4 AD DC the LDAP server in all versions of Samba from 4.0.0 onwards incorrectly validates permissions to modify passwords over LDAP allowing authenticated users to change any other users' passwords, including administrative users and privileged service accounts (eg Domain Controllers).

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
10.04% probability · 96th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-863
Affected
canonical/ubuntu linux · debian/debian linux · samba/samba
Source
secalert@redhat.com
EPSS trend
0%8%15%27 October 2026: 10.04%27 October 202627 October 2026

EPSS 10.0% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.