CVE-2022-37621 json
thlorenz browserify-shim vulnerable to prototype pollution
published 2022-10-28 4 y ago modified 2026-06-17 4 mo ago also GHSA-r737-347m-wqc7 , EUVD-2022-7157
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
Prototype pollution vulnerability in function resolveShims in resolve-shims.js in thlorenz browserify-shim 3.8.15 via the fullPath variable in resolve-shims.js.
Patch / fix
- npm browserify-shim 3.8.16
- github.com/thlorenz/browserify-shim@97855e6 commit
- github.com/thlorenz/browserify-shim#246 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
1.37% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | browserify-shim | <3.8.16 |
3.8.16 |
Classification
- Weakness
-
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes
References
-
github.com
/thlorenz/browserify-shim/pull/246
web
-
github.com
/thlorenz/browserify-shim/commit/97855e622b6dcd117c77e6583701962ff45e7338
web
-
github.com
/thlorenz/browserify-shim/blob/464b32bbe142664cd9796059798f6c738ea3de8f/lib/resolve-shims.js#L158
web, third-party-advisory
-
github.com
/thlorenz/browserify-shim/blob/464b32bbe142664cd9796059798f6c738ea3de8f/lib/resolve-shims.js#L37
web, third-party-advisory
-
github.com
/thlorenz/browserify-shim/issues/247
web, issue-tracking, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2022-37621
advisory
-
github.com
/thlorenz/browserify-shim
package
Sources
- CVE List CVE-2022-37621
- GitHub Advisory GHSA-r737-347m-wqc7
- NVD CVE-2022-37621
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.