CVE-2020-8952

Name: CVE-2020-8952
Creator: NVD / NIST
Published: 2020-02-26T16:15:19.783+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2020-8952 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Fiserv Accurate Reconciliation 2.19.0, fixed in 3.0.0 or higher, allows XSS via the logout.jsp timeOut parameter.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

Fiserv Accurate Reconciliation 2.19.0, fixed in 3.0.0 or higher, allows XSS via the logout.jsp timeOut parameter.

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

0.71%

49.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Fiserv	Accurate Reconciliation	>= 2.19.0, < 3.0.0

References

https://github.com/eSecure-CVEs/CVEs/blob/master/CVE-2020-8952Exploit, Third Party Advisory
https://github.com/eSecure-CVEs/CVEs/blob/master/CVE-2020-8952Exploit, Third Party Advisory

Timeline

Published: Feb 26, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8952?

Fiserv Accurate Reconciliation 2.19.0, fixed in 3.0.0 or higher, allows XSS via the logout.jsp timeOut parameter.

How severe is CVE-2020-8952?

CVE-2020-8952 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8952?

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-2020-8952?

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

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Source: NVD / NIST