Cyber Resilience

CVE-2021-30171

Medium

Published: 07 May 2021

Published
07 May 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
EPSS Score 0.0027 50.5th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-30171 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Junhetec Enterprise Resource Planning Point Of Sale System. Its CVSS base score is 4.6 (Medium).

Operationally, ranked in the top 49.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Special characters of ERP POS news page are not filtered in users’ input, which allow remote authenticated attackers can inject malicious JavaScript and carry out stored XSS (Stored Cross-site scripting) attacks, additionally access and manipulate customer’s information.

CWE(s)

Related Threats

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

Affected Assets

junhetec
enterprise resource planning point of sale system
2013.10

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