7.5

CVE-2021-23900: owasp json-sanitizer

CVSS: 7.5v3.1HighModified
AliasesGHSA-8rf5-92jh-3vc9
Published 13-01-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-23900 is a high (CVSS 7.5) vulnerability in owasp json-sanitizer. EPSS estimates a 2.13% chance of exploitation in the next 30 days, higher than 81.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.13%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-01-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

OWASP json-sanitizer before 1.2.2 can output invalid JSON or throw an undeclared exception for crafted input. This may lead to denial of service if the application is not prepared to handle these situations.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.13%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

+0.03 pp

From 2.10% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.13%

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

No weakness data has been published for this record.

Affected systems

Com.mikesamuel1 product
  • json-sanitizer< 1.2.2
Owasp1 product

2 vendors · 2 products

References

4 links