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CVE-2020-7779
Regular Expression Denial of Service (ReDoS)
Medium5.3EPSS 1.8%
- Published
- Updated
- Reserved
- Assigned by
- snyk
Description
All versions of package djvalidator are vulnerable to Regular Expression Denial of Service (ReDoS) by sending crafted invalid emails - for example, --@------------------------------------------------------------------------------------------------------------------------!.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| snykCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| 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)
- 1.8% · top 22% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
- Regular Expression Denial of Service (ReDoS)
- CWE-400 (opens in a new tab)All about CWE-400 and its CVEs
Affected products
djvalidator
- affected < unspecified
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmdjvalidatorGHSA-v6wh-2wvh-c8x5 (opens in a new tab)
References (1)
- https://snyk.io/vuln/SNYK-JS-DJVALIDATOR-1018709 (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-v6wh-2wvh-c8x5 (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-2020-7779)Record last updated .