CVE-2021-36667 json
Command injection vulnerability in Druva inSync 6.9.0 for MacOS, allows attackers to execute arbitrary commands via crafted payload to the…
published 2022-07-11 4 y ago modified 2026-07-09 4 mo ago also EUVD-2021-23263
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.7%
- EPSS 2.7% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
Command injection vulnerability in Druva inSync 6.9.0 for MacOS, allows attackers to execute arbitrary commands via crafted payload to the local HTTP server due to un-sanitized call to the python os.system library.
Patch / fix
- druva insync_client 7.0.0
Exploit prediction
2.67% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- imhotepisinvisible.com https://imhotepisinvisible.com/druva-lpe/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
docs.druva.com
/Knowledge_Base/Security_Update/Security_Advisory_for_inSync_Client_7.0.1_and_before
patch, vendor-advisory
-
imhotepisinvisible.com
/druva-lpe/
exploit, patch, technical-description, third-party-advisory
Sources
- CVE List CVE-2021-36667
- NVD CVE-2021-36667
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.