CVE-2021-45967

Name: CVE-2021-45967
Creator: NVD / NIST
Published: 2022-03-18T05:15:07.027+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 20.80%

Last modified Jun 17, 2026

CVE-2021-45967 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in Pascom Cloud Phone System before 7.20.x. A configuration error between NGINX and a backend Tomcat server leads to a path traversal in the Tomcat server, exposing unintended endpoints.. EPSS estimates a 20.80% chance of exploitation in the next 30 days.

Description

An issue was discovered in Pascom Cloud Phone System before 7.20.x. A configuration error between NGINX and a backend Tomcat server leads to a path traversal in the Tomcat server, exposing unintended endpoints.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

20.80%

97.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Pascom	Cloud Phone System	<= 7.19
Igniterealtime	Openfire	< 4.5.0
Igniterealtime	Openfire	4.5.0

References

https://kerbit.io/research/read/blog/4Exploit, Patch, Third Party Advisory
https://tutorialboy24.blogspot.com/2022/03/the-story-of-3-bugs-that-lead-to.htmlExploit, Patch, Third Party Advisory
https://www.pascom.net/doc/en/release-notes/Release Notes, Vendor Advisory
https://www.pascom.net/doc/en/release-notes/pascom19/Release Notes, Vendor Advisory
https://kerbit.io/research/read/blog/4Exploit, Patch, Third Party Advisory
https://tutorialboy24.blogspot.com/2022/03/the-story-of-3-bugs-that-lead-to.htmlExploit, Patch, Third Party Advisory
https://www.pascom.net/doc/en/release-notes/Release Notes, Vendor Advisory
https://www.pascom.net/doc/en/release-notes/pascom19/Release Notes, Vendor Advisory

Timeline

Published: Mar 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45967?

How severe is CVE-2021-45967?

CVE-2021-45967 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 20.80% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45967?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45967?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST