CVE-2021-20251 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	5.9 MEDIUM	NETWORK	HIGH	NONE	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 52.68%

Affected Products (NVD)

Vendor	Product	Version
samba	samba	4.1.0 ≤ 𝑥 < 4.16.8
samba	samba	4.17.0 ≤ 𝑥 < 4.17.4

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

samba

bookworm	2:4.17.12+dfsg-0+deb12u1 fixed
bookworm (security)	2:4.17.12+dfsg-0+deb12u1 fixed
bullseye	ignored
bullseye (security)	vulnerable
buster	ignored
sid	2:4.21.1+dfsg-2 fixed
trixie	2:4.21.1+dfsg-2 fixed

Ubuntu Releases

Ubuntu Product

Codename

samba

bionic	needed
focal	needed
jammy	needed
kinetic	Fixed 2:4.16.8+dfsg-0ubuntu1 released
lunar	not-affected
mantic	not-affected
noble	not-affected
oracular	not-affected
plucky	not-affected
questing	not-affected
resolute	not-affected
trusty	needs-triage
xenial	needs-triage

openSUSE / SLES Releases

openSUSE Product

Release

libdcerpc-binding0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libdcerpc-binding0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libdcerpc0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libdcerpc0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libndr-krb5pac0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libndr-krb5pac0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libndr-nbt0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libndr-nbt0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libndr-standard0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libndr-standard0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libndr0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libndr0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libnetapi0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libnetapi0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsamba-credentials0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsamba-credentials0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsamba-errors0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsamba-errors0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsamba-hostconfig0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsamba-hostconfig0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsamba-passdb0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsamba-passdb0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsamba-util0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsamba-util0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsamdb0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsamdb0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsmbclient0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsmbclient0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsmbconf0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsmbconf0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsmbldap0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libsmbldap0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libtevent-util0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libtevent-util0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libwbclient0

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

libwbclient0-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

samba

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

samba-client

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

samba-client-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

samba-doc

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

samba-libs

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

samba-libs-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

samba-winbind

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

samba-winbind-32bit

suse enterprise server 12 SP2

4.4.2-38.55.1

fixed

Azure Linux Releases

Azure Package

Release

samba

Azure Linux 3.0

0:4.18.3-1.azl3

fixed

Known Exploits!

Common Weakness Enumeration

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1929800

https://bugzilla.samba.org/show_bug.cgi?id=14611

https://security.gentoo.org/glsa/202309-06

https://security.netapp.com/advisory/ntap-20230331-0005/

https://bugzilla.redhat.com/show_bug.cgi?id=1929800

https://bugzilla.samba.org/show_bug.cgi?id=14611

https://security.gentoo.org/glsa/202309-06

https://security.netapp.com/advisory/ntap-20230331-0005/