CVE-2021-23446 json
Regular Expression Denial of Service (ReDoS)
published 2021-09-29 5 y ago modified 2026-06-17 4 mo ago also GHSA-hf66-r44g-p7j9 , EUVD-2021-2071
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- npm handsontable 10.0.0
- n/a handsontable 10.0.0
- github.com/handsontable/handsontable#8742 pull request
Exploit prediction
2.96% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- snyk.io https://snyk.io/vuln/SNYK-JS-HANDSONTABLE-1726770 referenced PoC, tagged "exploit" by a source, unverified
- snyk.io https://snyk.io/vuln/SNYK-DOTNET-HANDSONTABLE-1726793 referenced PoC, tagged "exploit" by a source, unverified
- snyk.io https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBHANDSONTABLE-1726794 referenced PoC, tagged "exploit" by a source, unverified
- snyk.io https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1726795 referenced PoC, tagged "exploit" by a source, unverified
- snyk.io https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1726796 referenced PoC, tagged "exploit" by a source, unverified
- snyk.io https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1726797 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | handsontable | <10.0.0 |
10.0.0 |
Affected products
- n/a handsontable
Classification
- Weakness
-
- CWE-1333 Inefficient Regular Expression Complexity
References
-
github.com
/handsontable/handsontable/pull/8742
web, patch, third-party-advisory
-
snyk.io
/vuln/SNYK-JS-HANDSONTABLE-1726770
web, exploit, third-party-advisory
-
snyk.io
/vuln/SNYK-DOTNET-HANDSONTABLE-1726793
web, exploit, third-party-advisory
-
snyk.io
/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBHANDSONTABLE-1726794
web, exploit, third-party-advisory
-
snyk.io
/vuln/SNYK-JAVA-ORGWEBJARS-1726795
web, exploit, third-party-advisory
-
snyk.io
/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1726796
web, exploit, third-party-advisory
-
snyk.io
/vuln/SNYK-JAVA-ORGWEBJARSNPM-1726797
web, exploit, third-party-advisory
-
github.com
/handsontable/handsontable/issues/8752
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-23446
advisory
-
github.com
/handsontable/handsontable
package
Sources
- CVE List CVE-2021-23446
- GitHub Advisory GHSA-hf66-r44g-p7j9
- NVD CVE-2021-23446
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