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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Exception handling procedures
Impact

CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity + EPSS > 10%.
Patch available 63.9% exploitation probability (EPSS)

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AnalysisAI

In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, and can cause incorrect logging, by invoking sudo with a. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-755. In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, and can cause incorrect logging, by invoking sudo with a crafted user ID. For example, this allows bypass of !root configuration, and USER= logging, for a "sudo -u \#$((0xffffffff))" command. Affected products include: Sudo Project Sudo, Fedoraproject Fedora, Debian Debian Linux, Opensuse Leap, Canonical Ubuntu Linux. Version information: before 1.8.28.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, and can cause incorrect logging, by invoking sudo with a crafted user ID. For example, this allows bypass of !root configuration, and USER= logging, for a "sudo -u \#$((0xffffffff))" command.

Threat Intelligence Overview

EPSS Score
63.9%
Top 1% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 63.9%
Patch available Yes
Active threat Yes
Deciding rule
HIGH severity + EPSS > 10%
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

128
Low Medium High Critical
KEV: 0
EPSS: +64
CVSS: +44
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
cpe:2.3:a:netapp:element_software_management_node:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:virtualization:4.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
+ 27 more

More in Sudo

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CVE-2025-32463 CRITICAL POC
9.3 Jun 30

Sudo before 1.9.17p1 contains a local root escalation vulnerability (CVE-2025-32463, CVSS 9.3) through the --chroot opti

CVE-2012-0809 HIGH POC
7.2 Feb 01

Format string vulnerability in the sudo_debug function in Sudo 1.8.0 through 1.8.3p1 allows local users to execute arbit

CVE-2025-32462 HIGH POC
8.8 Jun 30

Incorrect host matching in Sudo before 1.9.17p1 allows local attackers to execute commands on unintended machines when t

CVE-2013-1775 MEDIUM POC
6.9 Mar 05

sudo 1.6.0 through 1.7.10p6 and sudo 1.8.0 through 1.8.6p6 allows local users or physically proximate attackers to bypas

CVE-2023-22809 HIGH POC
7.8 Jan 18

In Sudo before 1.9.12p2, the sudoedit (aka -e) feature mishandles extra arguments passed in the user-provided environmen

CVE-2021-3156 HIGH POC
7.8 Jan 26

Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege

CVE-2017-1000367 MEDIUM POC
6.4 Jun 05

Todd Miller's sudo version 1.8.20 and earlier is vulnerable to an input validation (embedded spaces) in the get_process_

CVE-2026-35535 HIGH POC
7.8 Apr 03

Local privilege escalation in Sudo through 1.9.17p2 (fixed in commit 3e474c2) arises because a failed setuid, setgid, or

CVE-2015-5602 HIGH POC
7.2 Nov 17

sudoedit in Sudo before 1.8.15 allows local users to gain privileges via a symlink attack on a file whose full path is d

CVE-2021-23240 HIGH POC
7.8 Jan 12

selinux_edit_copy_tfiles in sudoedit in Sudo before 1.9.5 allows a local unprivileged user to gain file ownership and es

CVE-2023-27320 HIGH POC
7.2 Feb 28

Sudo before 1.9.13p2 has a double free in the per-command chroot feature. Rated high severity (CVSS 7.2), this vulnerabi

CVE-2023-42465 HIGH POC
7.0 Dec 22

Sudo before 1.9.15 might allow row hammer attacks (for authentication bypass or privilege escalation) because applicatio

References

Advisories & patches
PATCH https://www.openwall.com/lists/oss-security/2019/10/15/2 REF http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00042.html REF http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00047.html REF http://packetstormsecurity.com/files/154853/Slackware-Security-Advisory-sudo-Updates.html REF http://www.openwall.com/lists/oss-security/2019/10/24/1 REF http://www.openwall.com/lists/oss-security/2019/10/29/3 REF http://www.openwall.com/lists/oss-security/2021/09/14/2 REF https://access.redhat.com/errata/RHBA-2019:3248 REF https://access.redhat.com/errata/RHSA-2019:3197 REF https://access.redhat.com/errata/RHSA-2019:3204 REF https://access.redhat.com/errata/RHSA-2019:3205 REF https://access.redhat.com/errata/RHSA-2019:3209 REF https://access.redhat.com/errata/RHSA-2019:3219 REF https://access.redhat.com/errata/RHSA-2019:3278 REF https://access.redhat.com/errata/RHSA-2019:3694 REF https://access.redhat.com/errata/RHSA-2019:3754 REF https://access.redhat.com/errata/RHSA-2019:3755 REF https://access.redhat.com/errata/RHSA-2019:3895 REF https://access.redhat.com/errata/RHSA-2019:3916 REF https://access.redhat.com/errata/RHSA-2019:3941 REF https://access.redhat.com/errata/RHSA-2019:4191 REF https://access.redhat.com/errata/RHSA-2020:0388 REF https://lists.debian.org/debian-lts-announce/2019/10/msg00022.html REF https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IP7SIOAVLSKJGMTIULX52VQUPTVSC43U/ REF https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NPLAM57TPJQGKQMNG6RHFBLACD6K356N/ REF https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUVAOZBYUHZS56A5FQSCDVGXT7PW7FL2/ REF https://resources.whitesourcesoftware.com/blog-whitesource/new-vulnerability-in-sudo-cve-2019-14287 REF https://seclists.org/bugtraq/2019/Oct/20 REF https://seclists.org/bugtraq/2019/Oct/21 REF https://security.gentoo.org/glsa/202003-12 REF https://security.netapp.com/advisory/ntap-20191017-0003/ REF https://support.f5.com/csp/article/K53746212?utm_source=f5support&amp%3Butm_medium=RSS REF https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03976en_us REF https://usn.ubuntu.com/4154-1/ REF https://www.debian.org/security/2019/dsa-4543

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