5.4
MEDIUM
CVE-2021-30119
F5 Networks HelpDeskTab/ Reflective Cross-Site Scripting
Description

Authenticated reflective XSS in HelpDeskTab/rcResults.asp The parameter result of /HelpDeskTab/rcResults.asp is insecurely returned in the requested web page and can be used to perform a Cross Site Scripting attack Example request: `https://x.x.x.x/HelpDeskTab/rcResults.asp?result=<script>alert(document.cookie)</script>` The same is true for the parameter FileName of /done.asp Eaxmple request: `https://x.x.x.x/done.asp?FileName=";</script><script>alert(1);a="&PathData=&originalName=shell.aspx&FileSize=4388&TimeElapsed=00:00:00.078`

INFO

Published Date :

July 9, 2021, 2:15 p.m.

Last Modified :

April 29, 2022, 6:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

2.3
Affected Products

The following products are affected by CVE-2021-30119 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 Kaseya vsa
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-2021-30119.

URL Resource
https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/ Patch Third Party Advisory
https://csirt.divd.nl/CVE-2021-30119 Exploit Third Party Advisory
https://csirt.divd.nl/DIVD-2021-00011 Patch Third Party 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-2021-30119 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-30119 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 [email protected]

    May. 14, 2024

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

    Apr. 29, 2022

    Action Type Old Value New Value
    Changed Reference Type https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/ Third Party Advisory https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/ Patch, Third Party Advisory
    Changed Reference Type https://csirt.divd.nl/CVE-2021-30119 Third Party Advisory https://csirt.divd.nl/CVE-2021-30119 Exploit, Third Party Advisory
    Changed Reference Type https://csirt.divd.nl/DIVD-2021-00011 Third Party Advisory https://csirt.divd.nl/DIVD-2021-00011 Patch, Third Party Advisory
  • CVE Modified by [email protected]

    Apr. 04, 2022

    Action Type Old Value New Value
    Changed Description Cross Site Scripting (XSS) exists in Kaseya VSA before 9.5.7. Authenticated reflective XSS in HelpDeskTab/rcResults.asp The parameter result of /HelpDeskTab/rcResults.asp is insecurely returned in the requested web page and can be used to perform a Cross Site Scripting attack Example request: `https://x.x.x.x/HelpDeskTab/rcResults.asp?result=<script>alert(document.cookie)</script>` The same is true for the parameter FileName of /done.asp Eaxmple request: `https://x.x.x.x/done.asp?FileName=";</script><script>alert(1);a="&PathData=&originalName=shell.aspx&FileSize=4388&TimeElapsed=00:00:00.078`
  • Modified Analysis by [email protected]

    Mar. 01, 2022

    Action Type Old Value New Value
    Changed Reference Type https://csirt.divd.nl/CVE-2021-30119 No Types Assigned https://csirt.divd.nl/CVE-2021-30119 Third Party Advisory
    Changed Reference Type https://csirt.divd.nl/DIVD-2021-00011 No Types Assigned https://csirt.divd.nl/DIVD-2021-00011 Third Party Advisory
  • CVE Modified by [email protected]

    Feb. 07, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 MITRE AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    Added Reference https://csirt.divd.nl/CVE-2021-30119 [No Types Assigned]
    Added Reference https://csirt.divd.nl/DIVD-2021-00011 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 12, 2021

    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:S/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/ No Types Assigned https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/ Third Party Advisory
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:kaseya:vsa:*:*:*:*:-:*:*:* versions up to (excluding) 9.5.7
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-2021-30119 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-30119 weaknesses.

Exploit Prediction

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

0.06 }} 0.00%

score

0.24234

percentile

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