CVE-2020-8237
Uncontrolled Resource Consumption in json-bigint
Prototype pollution in json-bigint npm package < 1.0.0 may lead to a denial-of-service (DoS) attack.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Prototype pollution in json-bigint npm package < 1.0.0 may lead to a denial-of-service (DoS) attack.
- Record
CVE-2020-8237- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-400
- Updated
- 2026-11-02
CVE List No score
Prototype pollution in json-bigint npm package < 1.0.0 may lead to a denial-of-service (DoS) attack.
- Record
CVE-2020-8237- Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2021-1219 No score
Prototype pollution in json-bigint npm package < 1.0.0 may lead to a denial-of-service (DoS) attack.
- Record
EUVD-2021-1219- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wgfq-7857-4jcc
Uncontrolled Resource Consumption in json-bigint
Prototype pollution in json-bigint npm package < 1.0.0 may lead to a denial-of-service (DoS) attack.
- Record
GHSA-wgfq-7857-4jcc- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSV
Prototype pollution in json-bigint npm package < 1.0.0 may lead to a denial-of-service (DoS) attack.
- Record
CVE-2020-8237- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-wgfq-7857-4jcc
Uncontrolled Resource Consumption in json-bigint
Prototype pollution in json-bigint npm package < 1.0.0 may lead to a denial-of-service (DoS) attack.
- Record
GHSA-wgfq-7857-4jcc- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSVCLSA-2026-1790541837 No score
TuxCare security update for json-bigint (1 CVE)
TuxCare rebuilt json-bigint to address 1 CVE. Fixed in 0.3.1-tuxcare.1.
- Record
CLSA-2026-1790541837- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
json-bigintnpm |
before 1.0.0 | 1.0.0 |
json-bigintTuxCare:npm |
0.3.1-tuxcare.0 up to 0.3.1-tuxcare.1, plus listed versions 0.3.1 |
0.3.1-tuxcare.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-8237 is a high vulnerability (CVSS 7.5) in Json-bigint Project Json-bigint, published September 18, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.71%, the 77th percentile. Fixed in json-bigint 1.0.0.