Cyber Resilience

CVE-2020-7246

Path Traversal in Qdpm ≤ 9.1

Public PoCHigh EPSSPath Traversal
Published
21 January 2020
Modified
21 November 2024
CVSS Score v3.1 8.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.83 99.6th percentile
Risk Priority 87 floored blend · peak EPSS

Summary

CVE-2020-7246 is a high-severity Path Traversal (CWE-22) vulnerability in Qdpm Qdpm. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 0.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

A remote code execution (RCE) vulnerability exists in qdPM 9.1 and earlier. An attacker can upload a malicious PHP code file via the profile photo functionality, by leveraging a path traversal vulnerability in the users['photop_preview'] delete photo feature, allowing bypass…

more

of .htaccess protection. NOTE: this issue exists because of an incomplete fix for CVE-2015-3884.

CWE(s)

Related Threats

Likely ATT&CK TechniquesAI

Techniques this vulnerability likely enables, inferred from its description, weakness type, and attributed-actor tradecraft. Confidence is per-technique.

T1190 Exploit Public-Facing Application Initial Accessconfidence: HIGH
The vulnerability is a remote code execution flaw in a publicly accessible web application allowing unauthenticated or low-privileged attackers to upload and execute malicious PHP files.
T1505.003 Web Shell Persistenceconfidence: HIGH
Successful exploitation results in the attacker placing a web shell on the server through the profile photo upload feature.
T1105 Ingress Tool Transfer Command And Controlconfidence: HIGH
The attacker must transfer the malicious PHP payload to the target via the profile photo upload functionality.
T1036.005 Match Legitimate Resource Name or Location Stealthconfidence: MEDIUM
The uploaded file masquerades as a legitimate profile photo while containing executable PHP code.
inferred from description + CWE · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2023-45855Same product: Qdpm Qdpm
CVE-2023-45856Same product: Qdpm Qdpm
CVE-2026-54414Shared CWE-22, CWE-434
CVE-2023-42462Shared CWE-22, CWE-434
CVE-2026-22786Shared CWE-22, CWE-434
CVE-2024-7399Shared CWE-22, CWE-434
CVE-2023-22726Shared CWE-22, CWE-434
CVE-2025-34040Shared CWE-22, CWE-434
CVE-2023-26578Shared CWE-22, CWE-434
CVE-2020-6754Shared CWE-22, CWE-434

Affected Assets

qdpm
qdpm
≤ 9.1

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)

Validate
Prove the fix (OWASP ASVS)
  • V5.3.2
  • V5.1.1

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-434

Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.

addresses: CWE-434

Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.

addresses: CWE-434

Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.

addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

addresses: CWE-434

Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.

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-05 mostly match
prevents

Restricting execution of unauthorized software directly blocks dangerous uploaded files from running.

PR.PS-01 partial match
prevents

Hardened configuration baselines can enforce allowed file types and processing rules.

PR.PS-02 partial match
prevents

Patching/maintenance can remediate known path-traversal flaws in deployed software (partial prevention of exploitability) but does nothing to stop the coding defect from being introduced in the first place.

PR.PS-06 partial match
prevents

Secure development practices include input validation and file-type restrictions that prevent this weakness.

PR.AA-05 none match
prevents

PR.AA-05 defines and reviews access policies but does not address code-level pathname neutralization, so neither direction prevents CWE-22.

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.

detects

Security testing in development catches path traversal via static/dynamic analysis.

prevents

Secure SDLC mandates input validation and path sanitization that directly prevent path traversal.

prevents

Application security requirements include rules for safe file handling and canonicalization.

prevents

Secure architecture principles require least-privilege file access and directory isolation.

prevents

Secure coding standards explicitly forbid unsafe path construction and mandate safe APIs.

mitigates

Information access restriction limits which files an application may read or write.

References