CVE-2020-7709
Prototype Pollution
CVE-2020-7709 is a medium vulnerability (CVSS 6.0) in Manuelstofer Json-pointer, published October 5, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.78%, the 78th percentile. Fixed in json-pointer 0.6.1.
This affects the package json-pointer before 0.6.1. Multiple reference of object using slash is supported.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Prototype Pollution
This affects the package json-pointer before 0.6.1. Multiple reference of object using slash is supported.
- Record
CVE-2020-7709- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
EUVDEUVD-2021-1001
This affects the package json-pointer before 0.6.1. Multiple reference of object using slash is supported.
- Record
EUVD-2021-1001- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7mg4-w3w5-x5pc
Prototype pollution in json-pointer
This affects the package json-pointer before 0.6.1. Multiple reference of object using slash is supported.
- Record
GHSA-7mg4-w3w5-x5pc- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
NVD
This affects the package json-pointer before 0.6.1. Multiple reference of object using slash is supported.
- Record
CVE-2020-7709- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H - CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSVGHSA-7mg4-w3w5-x5pc
Prototype pollution in json-pointer
This affects the package json-pointer before 0.6.1. Multiple reference of object using slash is supported.
- Record
GHSA-7mg4-w3w5-x5pc- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
json-pointernpm |
before 0.6.1 | 0.6.1 |
org.webjars.npm:json-pointerMaven |
before 0.6.1 | 0.6.1 |
org.webjars.npm:json-pointerMaven |
before 0.6.1, plus listed versions 0.6.0 |
0.6.1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases, published | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
snyk.io/vuln/SNYK-JS-JSONPOINTER-596925
github.com/manuelstofer/json-pointer/pull/34/files
nvd.nist.gov/vuln/detail/CVE-2020-7709
npmjs.com/package/json-pointer