What’s Vulnerable › Vulnerabilities

CVE-2023-4309

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-10 · updated 2026-06-17
• Weakness: CWE-89

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.

Affected products

• Election Services Co. (ESC) Internet Election Service: all versions

References

• https://schemasecurity.co/private-elections.pdf
• https://www.electionservicesco.com/pages/services_internet.php
• https://www.youtube.com/watch?v=yeG1xZkHc64
• https://schemasecurity.co/private-elections.pdf
• https://www.electionservicesco.com/pages/services_internet.php
• https://www.youtube.com/watch?v=yeG1xZkHc64

Get alerted when CVE-2023-4309 or the next vulnerability affects your stack