Cyber Resilience

CVE-2026-21420

Dell Repository Manager ≤ 3.4.8

Published
23 February 2026
Modified
24 February 2026
Patch / advisory
View advisory
CVSS Score v3.1 7.3
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0013 3th percentile
Risk Priority 51 floored blend · peak EPSS

Summary

CVE-2026-21420 is a high-severity Uncontrolled Search Path Element (CWE-427) vulnerability in Dell Repository Manager. Its CVSS base score is 7.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Path Interception (T1034); ranked at the 3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to CM-6 (Configuration Settings) and AC-3 (Access Enforcement) — see the control section below for these in your framework.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

CVE-2026-21420 is an Uncontrolled Search Path Element vulnerability (CWE-427) in Dell Repository Manager (DRM), affecting versions prior to 3.4.8. Published on 2026-02-23, the issue has a CVSS v3.1 base score of 7.3 (AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H), indicating high confidentiality, integrity, and availability impacts with low attack complexity.

A low-privileged attacker with local access can exploit this vulnerability by leveraging the uncontrolled search path, potentially achieving arbitrary code execution and escalation of privileges. Exploitation requires user interaction, such as running a malicious file or executable placed in a searchable path.

Dell's security advisory DSA-2026-059 details a security update addressing this vulnerability in Dell Repository Manager. Practitioners should apply the patch by updating to version 3.4.8 or later to mitigate the risk.

OWASP Top 10 for Web (2025)

A08:2025 Software or Data Integrity Failures

EU & UK References

Vulnerability Data

Dell Repository Manager (DRM), versions prior to 3.4.8, contains an Uncontrolled Search Path Element vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary code execution and escalation of privileges.

CWE(s)
CWE-427

Related Threats

MITRE ATT&CK Enterprise Techniques

T1034 Path Interception Persistence
**This technique has been deprecated.
attack.mitre.org →
T1574.007 Path Interception by PATH Environment Variable Stealth
Adversaries may execute their own malicious payloads by hijacking environment variables used to load libraries.
attack.mitre.org →
T1574.008 Path Interception by Search Order Hijacking Stealth
Adversaries may execute their own malicious payloads by hijacking the search order used to load other programs.
attack.mitre.org →
T1574 Hijack Execution Flow Stealth
Adversaries may execute their own malicious payloads by hijacking the way operating systems run programs.
attack.mitre.org →
T1574.001 DLL Stealth
Adversaries may abuse dynamic-link library files (DLLs) in order to achieve persistence, escalate privileges, and evade defenses.
attack.mitre.org →
T1574.004 Dylib Hijacking Stealth
Adversaries may execute their own payloads by placing a malicious dynamic library (dylib) with an expected name in a path a victim application searches at runtime.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-28977Same product: Dell Repository Manager
CVE-2026-24502Same vendor: Dell
CVE-2024-37142Same vendor: Dell
CVE-2024-28976Same product: Dell Repository Manager
CVE-2024-37130Same vendor: Dell
CVE-2023-44282Same product: Dell Repository Manager
CVE-2024-37127Same vendor: Dell
CVE-2023-39254Same vendor: Dell
CVE-2023-22576Same product: Dell Repository Manager
CVE-2023-44292Same product: Dell Repository Manager

Affected Assets

dell
repository manager
≤ 3.4.8

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)
  • 2 hardening rules · 1 OS baseline
Validate
Prove the fix (OWASP ASVS)

—

Mitigating Controls (NIST 800-53 r5) AI

CM-6 Configuration Settings good match

Establishes restrictive configuration settings that can define and lock down approved search paths.

AC-3 Access Enforcement partial match

Enforces approved authorizations so that only intended actors can place or modify elements in the search path.

AC-6 Least Privilege partial match

Limits privileges so unintended actors cannot write to or control directories in the product's search path.

CM-5 Access Restrictions for Change partial match

Restricts logical and physical access to change system configuration, including search-path settings and directories.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure-development practices directly address design of search paths and resource loading.

PR.PS-01 partial match
prevents

Hardened configuration baselines can enforce safe search-path settings and reduce exposure.

PR.PS-05 partial match
prevents

Execution allow-listing can block malicious binaries placed in hijackable search locations.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing can detect uncontrolled search-path issues but does not prevent them by itself.

A.8.19 Installation of software on operational systems partial match
mitigates

Restricting software installation reduces the chance that an attacker-controlled path element is introduced into the search path.

A.8.27 Secure system architecture and engineering principles partial match
mitigates

Secure system architecture and engineering principles require explicit control over search paths and resource locations.

A.8.28 Secure coding partial match
prevents

Secure coding practices directly address the use of fixed or controlled search paths that can be influenced by unintended actors.

A.8.9 Configuration management partial match
prevents

Configuration management can enforce approved search-path settings but does not inherently prevent the weakness.

Hardening callouts derived

Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (authoritative rows only; rows rated `none` are excluded).

Oracle Linux 8 (1 rule)
  • V-248577 OL 8 must enable kernel parameters to enforce Discretionary Access Control (DAC) on symlinks. prevents CWE-427

References