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CVE-2025-12801

Nfs-utils: rpc.mountd in the nfs-utils privilege escalation

CVSS score

6.5

EPSS probability

%0.5

Risk score

0.0

Published

7 mo ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

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Vulnerability description

DayBreach CVE AI Research

CVE-2025-12801 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

A vulnerability was recently discovered in the rpc.mountd daemon in the nfs-utils package for Linux, that allows a NFSv3 client to escalate the privileges assigned to it in the /etc/exports file at mount time. In particular, it allows the client to access any subdirectory or subtree of an exported directory, regardless of the set file permissions, and regardless of any 'root_squash' or 'all_squash' attributes that would normally be expected to apply to that client.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2025-12801 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1Red HatRed Hat Enterprise Linux 10 View
2Red HatRed Hat Enterprise Linux 8 View
3Red HatRed Hat Enterprise Linux 9 View
4Red HatRed Hat Enterprise Linux 9.4 Extended Update Support View
5Red HatRed Hat Enterprise Linux 9.6 Extended Update Support View
6Red HatRed Hat OpenShift Container Platform 4.16 View
7Red HatRed Hat OpenShift Container Platform 4.17 View
8Red HatRed Hat OpenShift Container Platform 4.18 View
9Red HatRed Hat OpenShift Container Platform 4.19 View
10Red HatRed Hat Ceph Storage 8 View
11Red HatRed Hat Enterprise Linux 6 View
12Red HatRed Hat Enterprise Linux 7 View
13Red HatRed Hat OpenShift Container Platform 4 View
14redhatopenshift container platform View
15redhatenterprise linux View
16redhatenterprise linux View
17redhatenterprise linux View
18redhatenterprise linux View
19redhatenterprise linux View
20linux-nfsnfs-utils View
Total affected vendors: 3|Products: 20

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
6.5CVSS V31MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NNVD
6.5CVSS V3_1MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-12801 is associated with the following CWEs:

CWE-279: Common Weakness Enumeration Entry CWE-279CWE-732: Common Weakness Enumeration Entry CWE-732

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-12801 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsLow
UserGerekmiyor

Official Sources and Advisories

RHSA-2026:3938vendor-advisoryRHSA-2026:3939vendor-advisoryRHSA-2026:3940vendor-advisoryRHSA-2026:3941vendor-advisoryRHSA-2026:3942vendor-advisoryRHSA-2026:5127vendor-advisoryRHSA-2026:5606vendor-advisoryRHSA-2026:5867vendor-advisoryRHSA-2026:5873vendor-advisoryRHSA-2026:5877vendor-advisory

CVSS Vector Radar Chart

6.5 / 10
Attack VectorNetworkComplexityLowPrivilegesLowUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow privileges
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

RH
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Red Hat
R
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redhat
L
linux-nfs logo
linux-nfs

Weakness Type (CWE & CAPEC)

CWE-279 CWE-732

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CVE-2025-12801 · Nfs-utils: rpc.mountd in the nfs-utils privilege escalation · DayBreach