CVE-2021-38834 json
easy-mock v1.5.0-v1.6.0 allows remote attackers to bypass the vm2 sandbox and execute arbitrary system commands through special js code.
published 2022-04-05 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25271
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
easy-mock v1.5.0-v1.6.0 allows remote attackers to bypass the vm2 sandbox and execute arbitrary system commands through special js code.
Exploit prediction
2.04% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/50194 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
References
-
exploit-db.com
/exploits/50194
exploit, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-38834
- NVD CVE-2021-38834
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.