What is CVE-2021-32962?

CVE-2021-32962 is a high-severity vulnerability in Aggsoft Webserver, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2022-05-24.

How severe is CVE-2021-32962?

High severity. CVSS v3 base score is 8.2 out of 10.

XSS in Aggsoft Webserver

CVE-2021-32962

The AGG Software Web Server version 4.0.40.1014 and prior is vulnerable to cross-site scripting, which may allow an attacker to remotely execute arbitrary code.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-05-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.0th percentile), scored 2026-10-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

Aggsoft Webserver
Agg Software Web Server (Webserver.dll) — versions All

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.cisa.gov/uscert/ics/advisories/icsa-21-161-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2021-32962?: CVE-2021-32962 is a high-severity vulnerability in Aggsoft Webserver, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2022-05-24.
How severe is CVE-2021-32962?: High severity. CVSS v3 base score is 8.2 out of 10.