CVE-2021-41745 json
Showdoc File Upload Vulnerability
published 2021-10-22 5 y ago modified 2026-06-17 4 mo ago also GHSA-4286-h47h-m5v6 , EUVD-2021-2153
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
ShowDoc 2.8.3 ihas a file upload vulnerability, where attackers can use the vulnerability to obtain server permissions.
Patch / fix
Exploit prediction
1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | showdoc/showdoc | <2.8.5 |
2.8.5 |
Classification
References
-
github.com
/star7th/showdoc/commit/aec3df841958059c1db9ab1af25acc2af81e4e0e
web
-
github.com
/purple-WL/SHOWDOC-file-upload-vulnerability
web, third-party-advisory
-
cnvd.org.cn
/flaw/show/CNVD-2020-49480
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-41745
advisory
-
github.com
/star7th/showdoc
package
Sources
- CVE List CVE-2021-41745
- GitHub Advisory GHSA-4286-h47h-m5v6
- NVD CVE-2021-41745
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