CVE-2023-4309

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Election Services Co. (ESC) Internet Election Service is vulnerable to SQL injection in multiple pages and parameters. These vulnerabilities allow an unauthenticated, remote attacker to read or modify data for any elections that share the same backend database. ESC deactivated older and unused elections and enabled web application firewall (WAF) protection for current and future elections on or around 2023-08-12.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-89

Affected software

Vendor	Product	Versions
Election Services Co. (ESC)	Internet Election Service	<= 2023-08-12

References

Timeline

Published: Oct 10, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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