CVE-2020-9055

Name: CVE-2020-9055
Creator: NVD / NIST
Published: 2020-03-30T22:15:15.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2020-9055 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Versiant LYNX Customer Service Portal (CSP), version 3.5.2, is vulnerable to stored cross-site scripting, which could allow a local, authenticated attacker to insert malicious JavaScript that is stored and displayed to the end user. This could lead to website redirects, session cookie hijacking, or information disclosure.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

Versiant LYNX Customer Service Portal (CSP), version 3.5.2, is vulnerable to stored cross-site scripting, which could allow a local, authenticated attacker to insert malicious JavaScript that is stored and displayed to the end user. This could lead to website redirects, session cookie hijacking, or information disclosure.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.51%

39.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Versiant	Lynx Customer Service Portal	3.5.2

References

https://csp.poha.com/lynx/Permissions Required
https://kb.cert.org/vuls/id/962085/Third Party Advisory, US Government Resource
https://csp.poha.com/lynx/Permissions Required
https://kb.cert.org/vuls/id/962085/Third Party Advisory, US Government Resource

Timeline

Published: Mar 30, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9055?

How severe is CVE-2020-9055?

CVE-2020-9055 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9055?

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-2020-9055?

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

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Source: NVD / NIST