DEBIAN-CVE-2021-20316

See a problem?
Please try reporting it to the source first.

Source

https://security-tracker.debian.org/tracker/CVE-2021-20316

Import Source

https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20316.json

JSON Data

https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-20316

Upstream

CVE-2021-20316

Published

2022-08-23T16:15:09.147Z

Modified

2025-11-20T10:15:37.046760Z

Severity

6.8 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS Calculator

Summary

[none]

Details

A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.

References

https://security-tracker.debian.org/tracker/CVE-2021-20316

Affected packages

Debian:11 / samba

Package

Name: samba
Purl: pkg:deb/debian/samba?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2:4.*

2:4.13.5+dfsg-2

2:4.13.13+dfsg-1~deb11u1

2:4.13.13+dfsg-1~deb11u2

2:4.13.13+dfsg-1~deb11u3

2:4.13.13+dfsg-1~deb11u4

2:4.13.13+dfsg-1~deb11u5

2:4.13.13+dfsg-1~deb11u6

2:4.13.13+dfsg-1

2:4.13.14+dfsg-1

2:4.16.0+dfsg-1

2:4.16.0+dfsg-2

2:4.16.0+dfsg-3

2:4.16.0+dfsg-4

2:4.16.0+dfsg-5

2:4.16.0+dfsg-6

2:4.16.0+dfsg-7

2:4.16.0+dfsg-7+hurd.1

2:4.16.1+dfsg-1

2:4.16.1+dfsg-2

2:4.16.1+dfsg-3~bpo11+1

2:4.16.1+dfsg-3~bpo11+2

2:4.16.1+dfsg-3~bpo11+3

2:4.16.1+dfsg-3

2:4.16.1+dfsg-4~bpo11+1

2:4.16.1+dfsg-4

2:4.16.1+dfsg-5

2:4.16.1+dfsg-6

2:4.16.1+dfsg-6+x32

2:4.16.1+dfsg-7

2:4.16.1+dfsg-8~bpo11+1

2:4.16.1+dfsg-8

2:4.16.2+dfsg-1

2:4.16.3+dfsg-1

2:4.16.4+dfsg-1

2:4.16.4+dfsg-2~bpo11+1

2:4.16.4+dfsg-2

2:4.16.4+dfsg-2+hurd.1

2:4.16.5+dfsg-1~bpo11+1

2:4.16.5+dfsg-1

2:4.16.5+dfsg-2

2:4.16.6+dfsg-1

2:4.16.6+dfsg-2

2:4.16.6+dfsg-3

2:4.16.6+dfsg-4

2:4.16.6+dfsg-5~bpo11+1

2:4.16.6+dfsg-5

2:4.16.6+dfsg-6

2:4.17.0+dfsg-1

2:4.17.0+dfsg-1+ports

2:4.17.0+dfsg-2

2:4.17.1+dfsg-1

2:4.17.2+dfsg-1

2:4.17.2+dfsg-2

2:4.17.2+dfsg-3

2:4.17.2+dfsg-4

2:4.17.2+dfsg-5

2:4.17.2+dfsg-6

2:4.17.2+dfsg-7

2:4.17.2+dfsg-8

2:4.17.2+dfsg-8+hurd.1

2:4.17.2+dfsg-9

2:4.17.3+dfsg-1~bpo11+1

2:4.17.3+dfsg-1

2:4.17.3+dfsg-2~bpo11+1

2:4.17.3+dfsg-2

2:4.17.3+dfsg-3~bpo11+1

2:4.17.3+dfsg-3

2:4.17.3+dfsg-4

2:4.17.4+dfsg-1

2:4.17.4+dfsg-2~bpo11+1

2:4.17.4+dfsg-2

2:4.17.4+dfsg-3~bpo11+1

2:4.17.4+dfsg-3

2:4.17.5+dfsg-1~bpo11+1

2:4.17.5+dfsg-1

2:4.17.5+dfsg-2

2:4.17.6+dfsg-1~bpo11+1

2:4.17.6+dfsg-1

2:4.17.7+dfsg-1~bpo11+1

2:4.17.7+dfsg-1

2:4.17.8+dfsg-1~bpo11+1

2:4.17.8+dfsg-1

2:4.17.8+dfsg-2

2:4.17.8+dfsg-2.1

2:4.18.0~rc1+dfsg-1exp

2:4.18.0~rc2+dfsg-1

2:4.18.0~rc3+dfsg-1

2:4.18.0~rc4+dfsg-1

2:4.18.0+dfsg-1~exp1

2:4.18.1+dfsg-1~exp1

2:4.18.2+dfsg-1

2:4.18.3+dfsg-1

2:4.18.3+dfsg-2

2:4.18.3+dfsg-3

2:4.18.4+dfsg-1

2:4.18.4+dfsg-2~bpo12+1

2:4.18.4+dfsg-2

2:4.18.5+dfsg-1

2:4.18.5+dfsg-2~bpo12+1

2:4.18.5+dfsg-2

2:4.18.6+dfsg-1~bpo12+1

2:4.18.6+dfsg-1

2:4.18.8+dfsg-1~bpo12+1

2:4.19.0~rc1+dfsg-1

2:4.19.0~rc1+dfsg-2

2:4.19.0~rc1+dfsg-3

2:4.19.0~rc2+dfsg-1

2:4.19.0~rc4+dfsg-1

2:4.19.0~rc4+dfsg-2

2:4.19.0+dfsg-1

2:4.19.1+dfsg-1

2:4.19.1+dfsg-2

2:4.19.1+dfsg-3

2:4.19.1+dfsg-4

2:4.19.2+dfsg-1

2:4.19.3+dfsg-1~bpo12+1

2:4.19.3+dfsg-1

2:4.19.3+dfsg-2

2:4.19.4+dfsg-1

2:4.19.4+dfsg-2~bpo12+1

2:4.19.4+dfsg-2

2:4.19.4+dfsg-3~bpo12+1

2:4.19.4+dfsg-3

2:4.19.5+dfsg-1

2:4.19.5+dfsg-2

2:4.19.5+dfsg-3

2:4.19.5+dfsg-4~bpo12+1

2:4.19.5+dfsg-4

2:4.19.5+dfsg-5

2:4.19.6+dfsg-1

2:4.19.6+dfsg-2

2:4.19.6+dfsg-3~bpo12+1

2:4.19.6+dfsg-3

2:4.20.0~rc1+dfsg-1

2:4.20.0~rc2+dfsg-1

2:4.20.0~rc2+dfsg-2

2:4.20.0~rc2+dfsg-3

2:4.20.0+dfsg-1~exp1

2:4.20.0+dfsg-1~exp2

2:4.20.1+dfsg-1

2:4.20.1+dfsg-2

2:4.20.1+dfsg-3

2:4.20.1+dfsg-4~bpo12+1

2:4.20.1+dfsg-4

2:4.20.1+dfsg-5

2:4.20.2+dfsg-1

2:4.20.2+dfsg-2~bpo12+1

2:4.20.2+dfsg-2~bpo12+2

2:4.20.2+dfsg-2

2:4.20.2+dfsg-3

2:4.20.2+dfsg-4

2:4.20.2+dfsg-5~bpo12+1

2:4.20.2+dfsg-5

2:4.20.2+dfsg-6~bpo12+1

2:4.20.2+dfsg-6

2:4.20.2+dfsg-7

2:4.20.2+dfsg-8

2:4.20.2+dfsg-9~exp1

2:4.20.2+dfsg-9~exp2

2:4.20.2+dfsg-9

2:4.20.2+dfsg-10

2:4.20.4+dfsg-1~bpo12+1

2:4.20.5+dfsg-1~bpo12+1

2:4.21.0~rc1+dfsg-1

2:4.21.0~rc1+really4.20.2+dfsg-11

2:4.21.0~rc1+really4.20.2+dfsg-11r

2:4.21.0~rc1+really4.20.3+dfsg-1

2:4.21.0~rc1+really4.20.4+dfsg-1

2:4.21.0~rc2+dfsg-1

2:4.21.0+dfsg-1

2:4.21.1+dfsg-1~bpo12+1

2:4.21.1+dfsg-1

2:4.21.1+dfsg-2~bpo12+1

2:4.21.1+dfsg-2

2:4.21.1+dfsg-2+hurd.1

2:4.21.2+dfsg-1

2:4.21.2+dfsg-2

2:4.21.2+dfsg-3~bpo12+1

2:4.21.2+dfsg-3

2:4.21.2+dfsg-4~exp1

2:4.21.2+dfsg-4

2:4.21.2+dfsg-4+hurd.1

2:4.21.3+dfsg-1~bpo12+1

2:4.21.3+dfsg-1

2:4.21.3+dfsg-2

2:4.21.3+dfsg-3

2:4.21.3+dfsg-4~bpo12+1

2:4.21.3+dfsg-4

2:4.21.3+dfsg-5~bpo12+1

2:4.21.3+dfsg-5

2:4.21.3+dfsg-6~bpo12+1

2:4.21.3+dfsg-6

2:4.21.4+dfsg-1~bpo12+1

2:4.21.4+dfsg-1

2:4.21.5+dfsg-1~bpo12+1

2:4.22.0~rc1+dfsg-1

2:4.22.0+dfsg-1

2:4.22.0+dfsg-2

2:4.22.0+dfsg-3

2:4.22.1+dfsg-1~bpo12+1

2:4.22.1+dfsg-1

2:4.22.2+dfsg-1~bpo12+1

2:4.22.2+dfsg-1

2:4.22.3+dfsg-1

2:4.22.3+dfsg-2~bpo12+1

2:4.22.3+dfsg-2

2:4.22.3+dfsg-3

2:4.22.3+dfsg-4~bpo12+1

2:4.22.3+dfsg-4

2:4.22.4+dfsg-1~deb13u1~bpo12+1

2:4.22.4+dfsg-1~deb13u1

2:4.22.4+dfsg-1

2:4.23.0~rc1+dfsg-1

2:4.23.0~rc2+dfsg-1

2:4.23.0~rc3+dfsg-1

2:4.23.0+dfsg-1

2:4.23.0+dfsg-2

2:4.23.0+dfsg-3

2:4.23.1+dfsg-1

2:4.23.2+dfsg-1

2:4.23.3+dfsg-1~bpo13+1

2:4.23.3+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20316.json"

Debian:12 / samba

Package

Name: samba
Purl: pkg:deb/debian/samba?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2:4.16.0+dfsg-2

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20316.json"

Debian:13 / samba

Package

Name: samba
Purl: pkg:deb/debian/samba?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2:4.16.0+dfsg-2

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20316.json"

Debian:14 / samba

Package

Name: samba
Purl: pkg:deb/debian/samba?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2:4.16.0+dfsg-2

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20316.json"