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CVE-2021-3777
Inefficient Regular Expression Complexity in daaku/nodejs-tmpl
High7.5EPSS 1.3%
- Published
- Updated
- Reserved
- Assigned by
- @huntrdev
Description
nodejs-tmpl is vulnerable to Inefficient Regular Expression Complexity
Timeline
ID reserved
By @huntrdev
- 8 days later
· 8 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| @huntrdevCNA (assigner) | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 29% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
- affected unspecified – < 1.0.5
Affected packages
From reviewed advisories of the GitHub Advisory Database.
References (2)
- https://huntr.dev/bounties/a07b547a-f457-41c9-9d89-ee48bee8a4df (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/daaku/nodejs-tmpl/commit/4c654e4d1542f329ed561fd95ccd80f30c6872d6 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-jgrx-mgxx-jf9v (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-3777)Record last updated .