Is CVE-2020-10730 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 2%.

What products does CVE-2020-10730 affect?

Tracked products affected include Samba. Check the version you run to see whether it is affected.

How do I fix CVE-2020-10730?

Apply the vendor fix in your normal patch cycle. Upgrade affected products to a fixed version.

CVE-2020-10730

Q: What is CVE-2020-10730?

CVE-2020-10730 is a medium-severity software vulnerability (Use-after-free) with a CVSS score of 6.5. A NULL pointer dereference, or possible use-after-free flaw was found in Samba AD LDAP server in versions before 4.10.17, before 4.11.11 and before 4.12.4. Although some versions of Samba shipped with Red Hat Enterprise Linux do not support

MEDIUM severity · CVSS 6.5 · Use-after-free

6.5CVSS MEDIUM

Summary

A NULL pointer dereference, or possible use-after-free flaw was found in Samba AD LDAP server in versions before 4.10.17, before 4.11.11 and before 4.12.4. Although some versions of Samba shipped with Red Hat Enterprise Linux do not support Samba in AD mode, the affected code is shipped with the libldb package. This flaw allows an authenticated user to possibly trigger a use-after-free or NULL pointer dereference. The highest threat from this vulnerability is to system availability.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredLow

User interactionNone

Confidentiality impactNone

Integrity impactNone

Availability impactHigh

Exploit probability (EPSS)2%

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products we track (1)

Samba

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

CVE-2020-10730

Summary

Impact & exploitability

Affected products we track (1)

Recommendation

Additional information