CVE-2020-7738 json
Arbitrary Code Execution
published 6y ago modified 4mo ago also GHSA-jvf4-g24p-2qgw , EUVD-2021-1127
- cvss
- 8.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
All versions of package shiba are vulnerable to Arbitrary Code Execution due to the default usage of the function load() of the package js-yaml instead of its secure replacement , safeLoad().
Is CVE-2020-7738 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| GitHub | 3.1 | 8.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | shiba | <=1.2.1 |
no fix listed |
Affected products
- n/a shiba
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
snyk.io
/vuln/SNYK-JS-SHIBA-596466
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-7738
advisory
-
npmjs.com
/package/shiba
web
Sources
- CVE List CVE-2020-7738
- GitHub Advisory GHSA-jvf4-g24p-2qgw
- NVD CVE-2020-7738
Fencer Intel 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.