CVE-2019-9539

Name: CVE-2019-9539
Creator: NVD / NIST
Published: 2020-01-03T22:15:13.02+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.84%

Last modified Jun 17, 2026

CVE-2019-9539 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. : Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ModalWindowPopup.asp of Telos Automated Message Handling System allows a remote attacker to inject arbitrary script into an AMHS session. This issue affects: Telos Automated Message Handling System versions prior to 4.1.5.5.. EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ModalWindowPopup.asp of Telos Automated Message Handling System allows a remote attacker to inject arbitrary script into an AMHS session. This issue affects: Telos Automated Message Handling System versions prior to 4.1.5.5.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.84%

53.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Telos	Automated Message Handling System	< 4.1.5.5

References

https://www.kb.cert.org/vuls/id/873161/Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/873161/Third Party Advisory, US Government Resource

Timeline

Published: Jan 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-9539?

How severe is CVE-2019-9539?

CVE-2019-9539 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.

How do I fix CVE-2019-9539?

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-2019-9539?

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

Scan your code now

Source: NVD / NIST