What is CVE-2022-21145?

CVE-2022-21145 is a critical-severity vulnerability in Lansweeper, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 9.1/10. Published 2022-04-14.

How severe is CVE-2022-21145?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2022-21145 known to be exploited?

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

XSS in Lansweeper

CVE-2022-21145

A stored cross-site scripting vulnerability exists in the WebUserActions.aspx functionality of Lansweeper lansweeper 9.1.20.2. A specially-crafted HTTP request can lead to arbitrary Javascript code injection. An attacker can send an HTTP r…

EPSS: 0.772 (99.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Lansweeper — versions 9.1.20.2

Weakness classification (CWE)

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

talosintelligence.com/vulnerability_reports/TALOS-2022-1442 (x_refsource_MISC)
www.lansweeper.com/changelog/ (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2022-21145?: CVE-2022-21145 is a critical-severity vulnerability in Lansweeper, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 9.1/10. Published 2022-04-14.
How severe is CVE-2022-21145?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2022-21145 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.