Vulnerability Details : 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.
Products affected by CVE-2021-21384
- cpe:2.3:a:shescape_project:shescape:*:*:*:*:*:node.js:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21384
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21384
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
6.3
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N |
1.0
|
4.7
|
GitHub, Inc. |
CWE ids for CVE-2021-21384
-
The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.Assigned by: security-advisories@github.com (Primary)
References for CVE-2021-21384
-
https://www.npmjs.com/package/shescape
shescape - npmProduct
-
https://github.com/ericcornelissen/shescape/security/advisories/GHSA-f2rp-38vg-j3gh
Null characters not escaped · Advisory · ericcornelissen/shescape · GitHubExploit;Third Party Advisory
-
https://github.com/ericcornelissen/shescape/commit/07a069a66423809cbedd61d980c11ca44a29ea2b
Strip null characters from arguments · ericcornelissen/shescape@07a069a · GitHubPatch;Third Party Advisory
-
https://github.com/ericcornelissen/shescape/releases/tag/v1.1.3
Release Release v1.1.3 · ericcornelissen/shescape · GitHubRelease Notes;Third Party Advisory
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