Home/CVE/A vulnerability has been found in Starcounter-Jack JSON-Patch up to 3.1.0 and classified as problematic. This vulnerabil
CVE

CVE-2021-4279

A vulnerability has been found in Starcounter-Jack JSON-Patch up to 3.1.0 and classified as problematic. This vulnerabil

A vulnerability has been found in Starcounter-Jack JSON-Patch up to 3.1.0 and classified as problematic. This vulnerability affects unknown code. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution').

The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.1.1 is able to address this issue.

The name of the patch is 7ad6af41eabb2d799f698740a91284d762c955c9. It is recommended to upgrade the affected component. VDB-216778 is the identifier assigned to this vulnerability.

MEDIUM · CVSS 6.3 EPSS 0.00465
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
▤

Affected Products & Versions

1
starcounter-jack json-patch< 3.1.1
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm fast-json-patch HIGH fixed in 3.1.1
⚠

Public Exploits & PoCs

1
pocgithub.com · pull/262github.com
▣

Scoring & Timeline

6.3
MEDIUM · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Dec 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/Starcounter-Jack/JSON-Patch/commit/7ad6af41eabb2d799f698740a91284d762c955c9PatchThird Party Advisory
https://github.com/Starcounter-Jack/JSON-Patch/releases/tag/3.1.1Release NotesThird Party Advisory
https://vuldb.com/?ctiid.216778Third Party Advisory
https://vuldb.com/?id.216778Third Party Advisory
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