CVE-2024-21537 json
lilconfig Code Injection vulnerability
published 2y ago modified 2mo ago also GHSA-fq9m-v26v-2m4f , EUVD-2024-3040
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
Versions of the package lilconfig from 3.1.0 and before 3.1.1 are vulnerable to Arbitrary Code Execution due to the insecure usage of eval in the dynamicImport function. An attacker can exploit this vulnerability by passing a malicious input through the defaultLoaders function.
Patch / fix
- npm lilconfig 3.1.1
- n/a lilconfig 3.1.1
- n/a org.webjars.npm:lilconfig 3.1.1
- antonk52 lilconfig 3.1.1
- github.com/antonk52/lilconfig@2c68a1a commit
- github.com/antonk52/lilconfig#48 pull request
- github.com/antonk52/lilconfig/releases/tag/v3.1.1 release
Is CVE-2024-21537 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 2y ago
Exploit prediction
1.13% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P |
| CNA | 4.0 | 8.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | lilconfig | >=3.1.0, <3.1.1 |
3.1.1 |
Affected products
- n/a lilconfig
- n/a org.webjars.npm:lilconfig
- antonk52 lilconfig
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
github.com
/antonk52/lilconfig/pull/48
web
-
github.com
/antonk52/lilconfig/commit/2c68a1ab8764fc74acc46771e1ad39ab07a9b0a7
web
-
security.snyk.io
/vuln/SNYK-JS-LILCONFIG-6263789
web
- security.snyk.io /vuln/SNYK-JAVA-ORGWEBJARSNPM-8323736
-
github.com
/antonk52/lilconfig/releases/tag/v3.1.1
web
-
nvd.nist.gov
/vuln/detail/CVE-2024-21537
advisory
-
github.com
/antonk52/lilconfig
package
Sources
- CVE List CVE-2024-21537
- GitHub Advisory GHSA-fq9m-v26v-2m4f
- NVD CVE-2024-21537
Fencer Intel 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.