Fiserv Accurate Reconciliation 2.19.0 logout.jsp timeOut cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Fiserv Accurate Reconciliation 2.19.0. Affected is an unknown function of the file logout.jsp. Executing a manipulation of the argument timeOut as part of Parameter can lead to cross site scripting. This vulnerability is handled as CVE-2020-8952. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Fiserv Accurate Reconciliation 2.19.0 and classified as problematic. This vulnerability affects an unknown function of the file logout.jsp. The manipulation of the argument timeOut as part of a Parameter leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

Fiserv Accurate Reconciliation 2.19.0 allows XSS via the logout.jsp timeOut parameter.

The weakness was released 02/26/2020. This vulnerability was named CVE-2020-8952 since 02/12/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

By approaching the search of inurl:logout.jsp it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at VDB-150555. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/12/2020 🔍
02/26/2020 +14 days 🔍
02/27/2020 +1 days 🔍
05/10/2025 +1899 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2020-8952 (🔍)
GCVE (CVE): GCVE-0-2020-8952
GCVE (VulDB): GCVE-100-150556
See also: 🔍

Entryinfo

Created: 02/27/2020 07:08
Updated: 05/10/2025 03:34
Changes: 02/27/2020 07:08 (38), 02/27/2020 07:13 (17), 04/06/2024 09:37 (17), 05/10/2025 03:34 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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