CVE-2021-23371
Regular Expression Denial of Service (ReDoS)
This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Regular Expression Denial of Service (ReDoS)
This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.
- Record
CVE-2021-23371- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
EUVDEUVD-2021-1106
This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.
- Record
EUVD-2021-1106- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hpmr-g4pq-jhgp
Denial of service in chrono-node
This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.
- Record
GHSA-hpmr-g4pq-jhgp- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
NVD
This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.
- Record
CVE-2021-23371- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
OSV
This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.
- Record
CVE-2021-23371- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-hpmr-g4pq-jhgp
Denial of service in chrono-node
This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.
- Record
GHSA-hpmr-g4pq-jhgp- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSVROOT-APP-NPM-CVE-2021-23371
CVE-2021-23371 in chrono-node - Patched by Root
Root has patched CVE-2021-23371 in the chrono-node package for Root:npm. Multiple fixed versions available.
- Record
ROOT-APP-NPM-CVE-2021-23371- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-06
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
chrono-nodenpm |
before 2.2.4 | 2.2.4 |
chrono-nodeRoot:npm |
before 1.4.8-aikido.1 | 1.4.8-aikido.1 |
@rootio/chrono-nodeRoot:npm |
before 1.4.8-root.io.1 | 1.4.8-root.io.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, facts | OSV | |
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-23371 is a high vulnerability (CVSS 7.5) in Chrono-node Project Chrono-node, published April 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.99%, the 80th percentile. Fixed in chrono-node 2.2.4.