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Vulnerability record · CVE-2021-34369 · published 9 June 2021

CVE-2021-34369: Accela civic platform vulnerability

Accela · Civic Platform

portlets/contact/ref/refContactDetail.do in Accela Civic Platform through 20.1 allows remote attackers to obtain sensitive information via a modified contactSeqNumber value. NOTE: the vendor states "the information that is being queried is authorized for an authenticated user of that application, so we consider this not applicable.

6.5 CVSS 3.1 Medium EPSS 8.2% · top 5.3%
6.5CVSS 3.1 base score, v2 4.0
8.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

portlets/contact/ref/refContactDetail.do in Accela Civic Platform through 20.1 allows remote attackers to obtain sensitive information via a modified contactSeqNumber value. NOTE: the vendor states "the information that is being queried is authorized for an authenticated user of that application, so we consider this not applicable.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/163116/Accela-Civic-Platform-21.1-Insecure-Direct-Object-Reference.html ExploitThird Party AdvisoryVDB Entry
https://gist.github.com/0xx7/58943bb6e9ef77a09d3c7eb00dcafdc7 Third Party Advisory
http://packetstormsecurity.com/files/163116/Accela-Civic-Platform-21.1-Insecure-Direct-Object-Reference.html ExploitThird Party AdvisoryVDB Entry
https://gist.github.com/0xx7/58943bb6e9ef77a09d3c7eb00dcafdc7 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

6.1CVE-2021-34370Accela civic platform cross-site scripting vulnerabilityAccela Civic Platform through 20.1 allows ssoAdapter/logoutAction.do successURL XSS. NOTE: the vendor states "there are configurable security flags a…EPSS 10.0%6.1CVE-2021-33904Accela civic platform cross-site scripting vulnerabilityIn Accela Civic Platform through 21.1, the security/hostSignon.do parameter servProvCode is vulnerable to XSS. NOTE: The vendor states "there are con…EPSS 10.0%6.1CVE-2016-5660Accela civic platform cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in AttachmentsList.aspx in Accela Civic Platform Citizen Access portal allows remote attackers to inject arb…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2021-34369), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.