Vulnerability Details : CVE-2020-13639
A stored XSS vulnerability was discovered in the ECT Provider in OutSystems before 2020-09-04, affecting generated applications. It could allow an unauthenticated remote attacker to craft and store malicious Feedback content into /ECT_Provider/, such that when the content is viewed (it can only be viewed by Administrators), attacker-controlled JavaScript will execute in the security context of an administrator's browser. This is fixed in Outsystems 10.0.1005.2, Outsystems 11.9.0 Platform Server, and Outsystems 11.7.0 LifeTime Management Console.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2020-13639
- cpe:2.3:a:outsystems:outsystems:*:*:*:*:*:*:*:*
- cpe:2.3:a:outsystems:lifetime_management_console:*:*:*:*:*:*:*:*
- cpe:2.3:a:outsystems:platform_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-13639
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-13639
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2020-13639
-
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-2020-13639
-
https://www.outsystems.com/platform/
The Modern Application Development Platform | OutSystemsProduct
-
https://labs.integrity.pt/advisories/CVE-2020-13639/
CVE-2020-13639 - Outsystems ECT Provider Unauthenticated Cross-Site Scripting Stored | INTEGRITY LabsThird Party Advisory
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