Known Exploited Vulnerability
9.8
CRITICAL
CVE-2020-2506
QNAP Helpdesk Improper Access Control Vulnerabilit - [Actively Exploited]
Description

The vulnerability have been reported to affect earlier versions of QTS. If exploited, this improper access control vulnerability could allow attackers to compromise the security of the software by gaining privileges, or reading sensitive information. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.3.

INFO

Published Date :

Feb. 3, 2021, 4:15 p.m.

Last Modified :

Nov. 21, 2024, 5:25 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

QNAP Helpdesk contains an improper access control vulnerability which could allow an attacker to gain privileges or to read sensitive information.

Required Action :

Apply updates per vendor instructions.

Notes :

https://nvd.nist.gov/vuln/detail/CVE-2020-2506

Public PoC/Exploit Available at Github

CVE-2020-2506 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-2506 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Qnap helpdesk
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-2506.

URL Resource
https://www.qnap.com/zh-tw/security-advisory/qsa-20-08 Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/qsa-20-08 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 2 weeks, 3 days ago
548 stars 35 fork 35 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1228 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-2506 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-2506 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.qnap.com/zh-tw/security-advisory/qsa-20-08
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Oct. 21, 2022

    Action Type Old Value New Value
    Removed CWE NIST CWE-863
    Added CWE NIST NVD-CWE-Other
  • Modified Analysis by [email protected]

    Mar. 24, 2021

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 11, 2021

    Action Type Old Value New Value
    Changed Description The vulnerability have been reported to affect earlier versions of QTS. If exploited, this improper access control vulnerability could allow attackers to obtain control of a QNAP device. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.3. The vulnerability have been reported to affect earlier versions of QTS. If exploited, this improper access control vulnerability could allow attackers to compromise the security of the software by gaining privileges, or reading sensitive information. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.3.
    Removed CVSS V3.1 QNAP Systems, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 QNAP Systems, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    Removed CWE QNAP Systems, Inc. CWE-78
    Removed CWE QNAP Systems, Inc. CWE-77
    Added CWE QNAP Systems, Inc. CWE-284
    Removed CWE Reason CWE-77 / More specific CWE option available
  • Initial Analysis by [email protected]

    Feb. 05, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.qnap.com/zh-tw/security-advisory/qsa-20-08 No Types Assigned https://www.qnap.com/zh-tw/security-advisory/qsa-20-08 Vendor Advisory
    Added CWE NIST CWE-863
    Added CPE Configuration OR *cpe:2.3:a:qnap:helpdesk:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-2506 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.73 }} -0.18%

score

0.78626

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability