Vulnerability in Ericcornelissen Shescape
CVE-2021-21384
shescape is a simple shell escape package for JavaScript. In shescape before version 1.1.3, anyone using _Shescape_ to defend against shell injection may still be vulnerable against shell injection if the attacker manages to insert a into the payload. For an example see the referenced GitHub Security Advisory. The problem has been patched in version 1.1.3. No further changes are required.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Ericcornelissen Shescape — versions < 1.1.3
- Microsoft Windows
- Opengroup Unix
- Shescape Project
Weakness classification (CWE)
References
- github.com/ericcornelissen/shescape/security/advisories/GHSA-f2rp-38vg-j3gh (Exploit, Third Party Advisory)
- github.com/ericcornelissen/shescape/commit/07a069a66423809cbedd61d980c11ca44a29… (Patch, Third Party Advisory)
- github.com/ericcornelissen/shescape/releases/tag/v1.1.3 (Third Party Advisory, Release Notes)
- www.npmjs.com/package/shescape (Product)
Frequently asked questions
- What is CVE-2021-21384?
- CVE-2021-21384 is a medium-severity vulnerability in Ericcornelissen Shescape, classified under Argument Injection. CVSS score: 6.3/10. Published 2021-03-19.
- How severe is CVE-2021-21384?
- Medium severity. CVSS v3 base score is 6.3 out of 10.