CVE-2025-32463 (GCVE-0-2025-32463)

Vulnerability from cvelistv5 – Published: 2025-06-30 00:00 – Updated: 2026-02-26 17:50
VLAI CISA Previdian
Summary
Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot option.
Severity
9.3 (Critical)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-27 03:55 UTC
CWE
  • CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
Assigner
References
Impacted products
Vendor Product Version
Sudo project Sudo Affected: 1.9.14 , < 1.9.17p1 (custom)
    cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:*
Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 00047fba-54ad-41c0-8898-aa433c83cdf1

Vulnerability ID: CVE-2025-32463

Status: Confirmed

Status Updated: 2025-09-29 02:00 CEST

Exploited: Yes

Timestamps
First Seen: 2025-09-29
Asserted: 2025-09-29
Scope
Notes: Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability | Affected: Sudo / Sudo | Description: Sudo contains an inclusion of functionality from untrusted control sphere vulnerability. This vulnerability could allow local attacker to leverage sudo’s -R (--chroot) option to run arbitrary commands as root, even if they are not listed in the sudoers file. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2025-10-20 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://www.sudo.ws/security/advisories/chroot_bug/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-32463
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-829
Feed CISA Known Exploited Vulnerabilities Catalog
Product Sudo
Due Date 2025-10-20
Date Added 2025-09-29
Vendorproject Sudo
Vulnerabilityname Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-10-02 08:09 CEST | Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 1770276f-0973-4b2e-ae00-8ee9cdc390d5

Vulnerability ID: CVE-2025-32463

Status: Confirmed

Status Updated: 2026-06-01 12:41 CEST

Exploited: Yes

Timestamps
First Seen: 2026-06-01
Asserted: 2026-06-01
Scope
Notes: Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot... | Affected: Sudo project / Sudo | CVSS: 9.3 (CRITICAL) | EPSS: 0.61039 | Used in malware: unknown | Listed 1 day ahead of CISA KEV | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian

Details
Feed Previdian (previdian.com)
Title Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot...
Cve Id CVE-2025-32463
Vendor Sudo project
Ghsa Id None
Product Sudo
Added Date 2026-06-01T10:41:17.141Z
Cvss Score 9.3
Epss Score 0.61039
Previous Ids
Cvss Severity CRITICAL
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.99132
Used In Malware unknown
Vulnerability Id CVE-2025-32463
Ahead Of Cisa Kev 
{
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  "unit": "day"
}
Not Yet In Cisa Kev False
References
Created: 2026-10-02 09:10 CEST | Updated: 2026-10-02 09:10 CEST
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.