CVE-2021-3680 json
Missing Cryptographic Step in star7th/showdoc
published 2021-08-04 5 y ago modified 2026-06-17 4 mo ago also GHSA-8vh3-29mr-m9xg , EUVD-2021-2019
- cvss
- 5.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
showdoc is vulnerable to Missing Cryptographic Step
Patch / fix
Exploit prediction
0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/76b49607-fba9-4100-9be7-cb459fe6cfe2 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.3 | CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N |
| NVD | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
| GitHub | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | showdoc/showdoc | <=2.9.8 |
no fix listed |
Affected products
- star7th star7th/showdoc
Classification
References
-
github.com
/star7th/showdoc/commit/4b962c1740311e0d46775023b6acba39ad60e370
web, patch, third-party-advisory
-
huntr.dev
/bounties/76b49607-fba9-4100-9be7-cb459fe6cfe2
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-3680
advisory
-
github.com
/star7th/showdoc
package
-
github.com
/star7th/showdoc/blob/fd1740234a12804b45af9cac3563567d83ba414d/server/Application/Home/Model/UserModel.class.p
web
Sources
- CVE List CVE-2021-3680
- GitHub Advisory GHSA-8vh3-29mr-m9xg
- NVD CVE-2021-3680
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.