CVE-2020-2504

Absolute path traversal vulnerability in QES

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

If exploited, this absolute path traversal vulnerability could allow attackers to traverse files in File Station. QNAP has already fixed these issues in QES 2.1.1 Build 20201006 and later.

Si se explota, esta vulnerabilidad de salto de ruta absoluta podría permitir a atacantes saltar archivos en File Station. QNAP ya ha corregido estos problemas en QES versiones 2.1.1 Build 20201006 y posteriores

*Credits: TIM Security Red Team Research

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-12-09 CVE Reserved
2020-12-24 CVE Published
2023-09-08 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation
CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-73: External Control of File Name or Path
CWE-284: Improper Access Control

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.qnap.com/zh-tw/security-advisory/qsa-20-17	2020-12-28

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Qnap Search vendor "Qnap"		Qes Search vendor "Qnap" for product "Qes"				< 2.1.1 Search vendor "Qnap" for product "Qes" and version " < 2.1.1"		-		Affected
Qnap Search vendor "Qnap"		Qes Search vendor "Qnap" for product "Qes"				2.1.1 Search vendor "Qnap" for product "Qes" and version "2.1.1"		-		Affected
Qnap Search vendor "Qnap"		Qes Search vendor "Qnap" for product "Qes"				2.1.1 Search vendor "Qnap" for product "Qes" and version "2.1.1"		build_20200211		Affected
Qnap Search vendor "Qnap"		Qes Search vendor "Qnap" for product "Qes"				2.1.1 Search vendor "Qnap" for product "Qes" and version "2.1.1"		build_20200303		Affected
Qnap Search vendor "Qnap"		Qes Search vendor "Qnap" for product "Qes"				2.1.1 Search vendor "Qnap" for product "Qes" and version "2.1.1"		build_20200319		Affected
Qnap Search vendor "Qnap"		Qes Search vendor "Qnap" for product "Qes"				2.1.1 Search vendor "Qnap" for product "Qes" and version "2.1.1"		build_20200424		Affected
Qnap Search vendor "Qnap"		Qes Search vendor "Qnap" for product "Qes"				2.1.1 Search vendor "Qnap" for product "Qes" and version "2.1.1"		build_20200515		Affected
Qnap Search vendor "Qnap"		Qes Search vendor "Qnap" for product "Qes"				2.1.1 Search vendor "Qnap" for product "Qes" and version "2.1.1"		build_20200811		Affected