What is CVE-2021-30056?

CVE-2021-30056 is a medium-severity vulnerability in Eng Knowage, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-04-05.

How severe is CVE-2021-30056?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2021-30056 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Eng Knowage

CVE-2021-30056

Knowage Suite before 7.4 is vulnerable to reflected cross-site scripting (XSS). An attacker can inject arbitrary web script in /restful-services/publish via the 'EXEC_FROM' parameter that can lead to data leakage.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Eng Knowage
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

piuppi/Proof-of-Concepts

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-30056?: CVE-2021-30056 is a medium-severity vulnerability in Eng Knowage, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-04-05.
How severe is CVE-2021-30056?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-30056 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.