Vulnerability Details : CVE-2021-30119
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`
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-30119
- cpe:2.3:a:kaseya:vsa:*:*:*:*:-:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-30119
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 24 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-30119
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
MITRE | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-30119
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-30119
-
https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/
Kaseya VSA Limited Disclosure | DIVD CSIRTPatch;Third Party Advisory
-
https://csirt.divd.nl/CVE-2021-30119
Authenticated Authenticated reflective XSS in Kaseya VSA <= v9.5.6 | DIVD CSIRTExploit;Third Party Advisory
-
https://csirt.divd.nl/DIVD-2021-00011
DIVD-2021-00011 - Kaseya VSA Limited Disclosure | DIVD CSIRTPatch;Third Party Advisory
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