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CVE-2021-3680
Missing Cryptographic Step in star7th/showdoc
Medium5.3EPSS 0.46%
- Published
- Updated
- Reserved
- Assigned by
- @huntrdev
Description
showdoc is vulnerable to Missing Cryptographic Step
Timeline
ID reserved
By @huntrdev
- 1 day later
· 1 day 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 | Medium5.3 | CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.46% · top 60% 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: Medium 5.3.
Weakness
Affected products
- affected unspecified – ≤ 2.9.7
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistshowdoc/showdocGHSA-8vh3-29mr-m9xg (opens in a new tab)
References (2)
- https://github.com/star7th/showdoc/commit/4b962c1740311e0d46775023b6acba39ad60e370 (opens in a new tab)x_refsource_MISCx_transferred
- https://huntr.dev/bounties/76b49607-fba9-4100-9be7-cb459fe6cfe2 (opens in a new tab)x_refsource_CONFIRMx_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-8vh3-29mr-m9xg (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-2021-3680)Record last updated .