VulnerabilityModified
CVE-2021-20316
This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.
MEDIUM 6.8EPSS 0.98%
Does this matter?
Lower severity and a low EPSS score (0.98%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 6.8 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.98% probability · 60th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- samba/samba · debian/debian linux · redhat/virtualization host · redhat/enterprise linux · redhat/enterprise linux aus · redhat/enterprise linux eus · redhat/enterprise linux tus
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2021-20316Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2009673Issue Tracking, Third Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=14842Issue Tracking, Vendor Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-20316Mitigation, Third Party Advisory
- https://security.gentoo.org/glsa/202309-06
- https://www.samba.org/samba/security/CVE-2021-20316.htmlVendor Advisory
- https://access.redhat.com/security/cve/CVE-2021-20316Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2009673Issue Tracking, Third Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=14842Issue Tracking, Vendor Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-20316Mitigation, Third Party Advisory
- https://security.gentoo.org/glsa/202309-06
- https://www.samba.org/samba/security/CVE-2021-20316.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.