Claroty Secure Remote Access Site - Authentication Bypass Using an Alternate Path or Channel

published 2022-05-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19685

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 58%
public exploits: 0; none known

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-161-02 updated 2021-06-10 cvss 6.5

AGG Software Web Server Plugin

AGG Software Web Server <= 4.0.40.1014
affected: fixed in 4.0.42 aggsoft.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 18 mo ago (2025-04-16)

Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

AGG Software Web Server (webserver.dll)

Classification

Weakness

CWE-23 Relative Path Traversal
CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

cisa.gov /uscert/ics/advisories/icsa-21-161-02
third-party-advisory, us-government-resource

Sources

CVE List CVE-2021-32964
NVD CVE-2021-32964

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary