6.1
MEDIUM
CVE-2020-2495
QNAP File Station Cross-Site Scripting Vulnerability
Description

If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code in File Station. QANP have already fixed these vulnerabilities in the following versions of QTS and QuTS hero. QuTS hero h4.5.1.1472 build 20201031 and later QTS 4.5.1.1456 build 20201015 and later QTS 4.4.3.1354 build 20200702 and later QTS 4.3.6.1333 build 20200608 and later QTS 4.3.4.1368 build 20200703 and later QTS 4.3.3.1315 build 20200611 and later QTS 4.2.6 build 20200611 and later

INFO

Published Date :

Dec. 10, 2020, 4:15 a.m.

Last Modified :

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

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2020-2495 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 quts_hero
2 Qnap qts
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-2020-2495.

URL Resource
https://www.qnap.com/en/security-advisory/qsa-20-12 Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-20-12 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).

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

The following list is the news that have been mention CVE-2020-2495 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-2495 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/en/security-advisory/qsa-20-12
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Jun. 22, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:qnap:quts_hero:*:*:*:*:*:*:*:* versions up to (excluding) 4.5.1.1472 OR *cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:* versions up to (excluding) 4.5.1.1472
    Changed CPE Configuration OR *cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.5.1.1456 OR *cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.5.1.1456
    Changed CPE Configuration OR *cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.3.1354 OR *cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.3.1354
    Changed CPE Configuration OR *cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.3.6.1333 OR *cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.3.6.1333
    Changed CPE Configuration OR *cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.3.4.1368 OR *cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.3.4.1368
    Changed CPE Configuration OR *cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.3.3.1315 OR *cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.3.3.1315
    Changed CPE Configuration OR *cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.2.6 OR *cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.2.6
  • Initial Analysis by [email protected]

    Dec. 11, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://www.qnap.com/en/security-advisory/qsa-20-12 No Types Assigned https://www.qnap.com/en/security-advisory/qsa-20-12 Vendor Advisory
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:qnap:quts_hero:*:*:*:*:*:*:*:* versions up to (excluding) 4.5.1.1472
    Added CPE Configuration OR *cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.5.1.1456
    Added CPE Configuration OR *cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.3.1354
    Added CPE Configuration OR *cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.3.6.1333
    Added CPE Configuration OR *cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.3.4.1368
    Added CPE Configuration OR *cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.3.3.1315
    Added CPE Configuration OR *cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.2.6
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-2020-2495 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.

0.12 }} 0.00%

score

0.44925

percentile

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