What is CVE-2021-30057?

CVE-2021-30057 is a medium-severity vulnerability in Eng Knowage, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.8/10. Published 2021-04-05.

How severe is CVE-2021-30057?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2021-30057 known to be exploited?

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

Vulnerability in Eng Knowage

CVE-2021-30057

A stored HTML injection vulnerability exists in Knowage Suite version 7.1. An attacker can inject arbitrary HTML in "/restful-services/2.0/analyticalDrivers" via the 'LABEL' and 'NAME' parameters.

EPSS: 0.007 (47.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Eng Knowage
N/a — versions n/a

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

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-2021-30057?: CVE-2021-30057 is a medium-severity vulnerability in Eng Knowage, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.8/10. Published 2021-04-05.
How severe is CVE-2021-30057?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2021-30057 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.