Vulnerability in Amazon Amazon.iondotnet

CVE-2025-11573

An infinite loop issue in Amazon.IonDotnet library versions <v1.3.2 may allow a threat actor to cause a denial of service through a specially crafted text input. To mitigate this issue, users should upgrade to version v1.3.2. As of August 20, 2025, this library has been deprecated and will not receive further updates.

EPSS: 0.004 (33.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-11573?
CVE-2025-11573 is a high-severity vulnerability in Amazon Amazon.iondotnet, classified under CWE-1286. CVSS score: 7.5/10. Published 2025-10-09.
How severe is CVE-2025-11573?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-11573 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.