CVE-2021-23391 json
Arbitrary File Write via Archive Extraction (Zip Slip)
published 2021-06-07 5 y ago modified 2026-06-17 4 mo ago also GHSA-jxcc-g75x-qgw9 , EUVD-2021-1351
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
This affects all versions of package calipso. It is possible for a malicious module to overwrite files on an arbitrary file system through the module install functionality.
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- snyk.io https://snyk.io/vuln/SNYK-JS-CALIPSO-1300555 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:F/RL:U/RC:C |
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L |
| NVD | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
| NVD | 2.0 | 3.6 | AV:L/AC:L/Au:N/C:N/I:P/A:P |
| GitHub | 3.1 | 7.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | calipso | <=0.3.54 |
no fix listed |
Affected products
- n/a calipso
Classification
References
-
snyk.io
/vuln/SNYK-JS-CALIPSO-1300555
web, exploit, third-party-advisory
-
github.com
/cliftonc/calipso
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-23391
advisory
Sources
- CVE List CVE-2021-23391
- GitHub Advisory GHSA-jxcc-g75x-qgw9
- NVD CVE-2021-23391
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