Cyber Resilience

CVE-2017-20113

LowPublic PoC

Published: 29 June 2022

Published
29 June 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
EPSS Score 0.0019 41.3th percentile
Risk Priority 7 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2017-20113 is a low-severity Basic XSS (CWE-80) vulnerability in Trueconf Server. Its CVSS base score is 3.5 (Low).

Operationally, ranked at the 41.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A vulnerability, which was classified as problematic, was found in TrueConf Server 4.3.7. This affects an unknown part. The manipulation leads to basic cross site scripting (Stored). It is possible to initiate the attack remotely. The exploit has been disclosed…

more

to the public and may be used.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

trueconf
server
≤ 5.0.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References