What is CVE-2021-32964?

CVE-2021-32964 is a medium-severity vulnerability in Aggsoft Webserver, classified under Relative Path Traversal. CVSS score: 6.5/10. Published 2022-05-24.

How severe is CVE-2021-32964?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Aggsoft Webserver

CVE-2021-32964

The AGG Software Web Server version 4.0.40.1014 and prior is vulnerable to a path traversal attack, which may allow an attacker to read arbitrary files from the file system.

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

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.5th percentile), scored 2026-10-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.5% 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)

References

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

Frequently asked questions

What is CVE-2021-32964?: CVE-2021-32964 is a medium-severity vulnerability in Aggsoft Webserver, classified under Relative Path Traversal. CVSS score: 6.5/10. Published 2022-05-24.
How severe is CVE-2021-32964?: Medium severity. CVSS v3 base score is 6.5 out of 10.