CVE-2020-7709 json
Prototype Pollution
published 2020-10-05 6 y ago modified 2026-06-17 4 mo ago also GHSA-7mg4-w3w5-x5pc , EUVD-2021-1001
- cvss
- 6.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
This affects the package json-pointer before 0.6.1. Multiple reference of object using slash is supported.
Patch / fix
- npm json-pointer 0.6.1
- maven org.webjars.npm:json-pointer 0.6.1
- n/a json-pointer 0.6.1
- github.com/manuelstofer/json-pointer#34 pull request
- github.com/manuelstofer/json-pointer#34 pull request
Exploit prediction
1.78% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.0 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| GitHub | 3.1 | 6.0 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | json-pointer | <0.6.1 |
0.6.1 |
| maven | org.webjars.npm:json-pointer | <0.6.1 |
0.6.1 |
Affected products
- n/a json-pointer
Classification
- Weakness
-
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes
References
-
github.com
/manuelstofer/json-pointer/pull/34/files
web, patch, third-party-advisory
-
github.com
/manuelstofer/json-pointer/pull/34
web
-
snyk.io
/vuln/SNYK-JS-JSONPOINTER-596925
web, exploit, third-party-advisory
-
snyk.io
/vuln/SNYK-JAVA-ORGWEBJARSNPM-598862
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-7709
advisory
-
github.com
/manuelstofer/json-pointer
package
-
npmjs.com
/package/json-pointer
web
Sources
- CVE List CVE-2020-7709
- GitHub Advisory GHSA-7mg4-w3w5-x5pc
- NVD CVE-2020-7709
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.