8.7

CVE-2025-11573: amazon amazon.iondotnet

CVSS: 8.7v4.0HighDeferred
AliasesGHSA-q5r6-9qwq-g2wj
Published 09-10-2025Last modified 09-10-2025
Open JSON

Vulnerability summary

CVE-2025-11573 is a high (CVSS 8.7) vulnerability in amazon amazon.iondotnet. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.3% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v4.0 (CVE.org)
EPSS score
0.43%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-10-2025
    PublishedVulnerability first disclosed.
  2. 09-10-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

5 scores · 3 sources · 2 versions

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

0.00 pp

From 0.43% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.43%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Amazon1 product
NuGet1 product
  • Amazon.IonDotnet< 1.3.2

2 vendors · 2 products

References

8 links