CVE-2021-41497: Rare-Technologies Bounter

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Null pointer reference in CMS_Conservative_increment_obj in RaRe-Technologies bounter version 1.01 and 1.10, allows attackers to conduct Denial of Service attacks by inputting a huge width of hash bucket.

Affected products

• Rare-Technologies Bounter: version 1.01 only; version 1.10 only

Published 2021-12-17. Last modified 2026-06-17.