CVE-2021-23446
CVE-2021-23446 is a high-severity vulnerability in Handsontable with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1333.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1333
- Affected product: Handsontable
- Published:
- Last modified:
Description
The package handsontable before 10.0.0; the package handsontable from 0 and before 10.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) in Handsontable.helper.isNumeric function.
Frequently asked questions
- What is CVE-2021-23446?
- The package handsontable before 10.0.0; the package handsontable from 0 and before 10.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) in Handsontable.helper.isNumeric function.
- How severe is CVE-2021-23446?
- CVE-2021-23446 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-23446 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-23446?
- CVE-2021-23446 affects Handsontable. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-23446?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-23446 published?
- CVE-2021-23446 was published on 2021-09-29 and last updated on 2026-06-17.
References
- https://github.com/handsontable/handsontable/issues/8752
- https://github.com/handsontable/handsontable/pull/8742
- https://snyk.io/vuln/SNYK-DOTNET-HANDSONTABLE-1726793
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1726795
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1726796
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBHANDSONTABLE-1726794
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1726797
- https://snyk.io/vuln/SNYK-JS-HANDSONTABLE-1726770
Affected products (1)
- cpe:2.3:a:handsontable:handsontable:*:*:*:*:*:node.js:*:*
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