It was found that cifs-utils' mount.cifs was invoking a shell when requesting the Samba password, which could be used to inject arbitrary co
It was found that cifs-utils' mount.cifs was invoking a shell when requesting the Samba password, which could be used to inject arbitrary commands. An attacker able to invoke mount.cifs with special permission, such as via sudo rules, could use this flaw to escalate their privileges.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Sep 9, 2020
- Updated
- Jun 16, 2026
- EPSS
- 0.7% · 49th percentile
- CWE
- CWE-77
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Report tools
Action score
28
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.7%
CNA vs NVD score
- NVD
- 7.0
- CNA · redhat
- 4.4
- 2.6 point gap
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| samba | cifs-utils | cpe:2.3:a:samba:cifs-utils |
| fedoraproject | fedora | cpe:2.3:o:fedoraproject:fedora |
| opensuse | leap | cpe:2.3:o:opensuse:leap |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- fedoraproject fedora32
- fedoraproject fedora33
- opensuse leap15.1
- samba cifs-utils5.6 and later · up to 6.10 inclusive
Versions reported by the vendor
Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.
samba cifs-utils
- 6.11affected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Alpine:v3.11 | cifs-utils | from 5.6 · before 6.13-r0 | 6.13-r0 |
| Alpine:v3.13 | cifs-utils | from 5.6 · before 6.11-r0 | 6.11-r0 |
| Debian:12 | cifs-utils | before 2:6.11-1 | 2:6.11-1 |
| openSUSE:Leap 15.1 | cifs-utils | before 6.9-lp151.4.7.1 | 6.9-lp151.4.7.1 |
| openSUSE:Leap 15.2 | cifs-utils | before 6.9-lp152.2.3.1 | 6.9-lp152.2.3.1 |
| openSUSE:Tumbleweed | cifs-utils | before 6.13-1.3 | 6.13-1.3 |
| SUSE:Linux Enterprise High Performance Computing 15-ESPOS | cifs-utils | before 6.9-3.14.1 | 6.9-3.14.1 |
| SUSE:Linux Enterprise Module for Basesystem 15 SP1 | cifs-utils | before 6.9-5.6.1 | 6.9-5.6.1 |
| SUSE:Linux Enterprise Software Development Kit 12 SP5 | cifs-utils | before 6.9-13.11.1 | 6.9-13.11.1 |
Same product
samba: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-27239In cifs-utils through 6.14, a stack-based buffer overflow when parsing the mount.cifs ip= command-line argument could lead to local attacker31Monitor
- CVE-2021-20208A flaw was found in cifs-utils in versions before 6.13.24Monitor
- CVE-2022-29869cifs-utils through 6.14, with verbose logging, can cause an information leak when a file contains = (equal sign) characters but is not a val22Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| alpine:cifs-utils | 6.13-r0 · Alpine:v3.11 | Package registry (OSV) |
| debian:cifs-utils | 2:6.11-1 · Debian:12 | Package registry (OSV) |
| opensuse:cifs-utils | 6.9-lp151.4.7.1 · openSUSE:Leap 15.1 | Package registry (OSV) |
| suse:cifs-utils | 6.9-13.11.1 · SUSE:Linux Enterprise Software Development Kit 12 SP5 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- High
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- LDAP InjectionCAPEC-136likelihood: High · High
- Command DelimitersCAPEC-15likelihood: High · High
- IMAP/SMTP Command InjectionCAPEC-183Medium
- Command InjectionCAPEC-248likelihood: Medium · High
- Manipulating Writeable Terminal DevicesCAPEC-40likelihood: High · Very High
- Exploiting Multiple Input Interpretation LayersCAPEC-43likelihood: Medium · High
- Manipulating Writeable Configuration FilesCAPEC-75likelihood: High · Very High
- Manipulating Web Input to File System CallsCAPEC-76likelihood: High · Very High
ATT&CK techniques
—
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00109.html
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14342
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DUMRICFXJVCBBOSKZSKT3HFVQM6VPJU3/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JBNFSTJOQWVPFZAUJNNMAPY45PW5RTTE/
- security.gentoo.org/glsa/202009-16
Vendor advisories and official records. Exploit/PoC links are deliberately left out.