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CVE-2021-23446

24
FAUCET Score

CVE-2021-23446 describes a Regular Expression Denial of Service (ReDoS) vulnerability affecting the Handsontable JavaScript library, specifically within the Handsontable.helper.isNumeric function, in versions prior to 10.0.0. This vulnerability carries a high CVSS score of 7.5, indicating that it can be exploited remotely with low attack complexity, leading to a denial of service. There is currently no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.0.0CPE matchmatch criteria
cpe:2.3:a:handsontable:handsontable:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.96%
Probability of exploitation in next 30 days
EPSS Percentile
85.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0296 is in the 75th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: handsontableFixed in: 10.0.0
zimbrapatch availablevia llm_extracted
Fixed in: 7.3.0, 7.2.0, 7.1.2

Vendor Advisories (2)

zimbrallm-zimbra-abc84543908637f4CRITICAL

Splunk Enterprise Security (ES) Third-Party Package Updates - January 2024

Jan 9, 2024
npmGHSA-hf66-r44g-p7j9high

Inefficient Regular Expression Complexity in handsontable

Sep 30, 2021

References

github.com / handsontable/handsontable/issues/8752
Third Party Advisory
github.com / handsontable/handsontable/pull/8742
PatchThird Party Advisory
snyk.io / vuln/SNYK-DOTNET-HANDSONTABLE-1726793
ExploitThird Party Advisory
snyk.io / vuln/SNYK-JAVA-ORGWEBJARS-1726795
ExploitThird Party Advisory
snyk.io / vuln/SNYK-JAVA-ORGWEBJARSBOWER-1726796
ExploitThird Party Advisory
snyk.io / vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBHANDSONTABLE-1726794
ExploitThird Party Advisory
snyk.io / vuln/SNYK-JAVA-ORGWEBJARSNPM-1726797
ExploitThird Party Advisory
snyk.io / vuln/SNYK-JS-HANDSONTABLE-1726770
ExploitThird Party Advisory