CVE-2020-7751
Prototype Pollution
pathval before version 1.1.1 is vulnerable to prototype pollution.
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
pathval before version 1.1.1 is vulnerable to prototype pollution.
- Record
CVE-2020-7751- 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-2022-1001
pathval before version 1.1.1 is vulnerable to prototype pollution.
- Record
EUVD-2022-1001- 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-g6ww-v8xp-vmwg
Prototype pollution in pathval
A prototype pollution vulnerability affects all versions of package pathval under 1.1.1.
- Record
GHSA-g6ww-v8xp-vmwg- 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 - Weakness
- CWE-20, CWE-1321
- Updated
- 2026-11-02
NVD
pathval before version 1.1.1 is vulnerable to prototype pollution.
- Record
CVE-2020-7751- 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
OSV
pathval before version 1.1.1 is vulnerable to prototype pollution.
- Record
CVE-2020-7751- 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 - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-7751
pathval before version 1.1.1 is vulnerable to prototype pollution.
- Record
DEBIAN-CVE-2020-7751- 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 - Updated
- 2026-11-02
OSVGHSA-g6ww-v8xp-vmwg
Prototype pollution in pathval
A prototype pollution vulnerability affects all versions of package pathval under 1.1.1.
- Record
GHSA-g6ww-v8xp-vmwg- 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 - Weakness
- CWE-1321, CWE-20
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-7751
pathval before version 1.1.1 is vulnerable to prototype pollution.
- Record
UBUNTU-CVE-2020-7751- 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 - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pathvalnpm |
before 1.1.1 | 1.1.1 |
node-pathvalDebian:12 |
before 1.1.0-4 | 1.1.0-4 |
node-pathvalDebian:13 |
before 1.1.0-4 | 1.1.0-4 |
node-pathvalDebian:14 |
before 1.1.0-4 | 1.1.0-4 |
node-pathvalUbuntu:18.04:LTS |
All versions, plus listed versions 1.1.0-1 |
None known |
node-pathvalUbuntu:20.04:LTS |
All versions, plus listed versions 1.1.0-3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-7751 is a medium vulnerability (CVSS 6.0) in Chaijis Pathval, published October 25, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.52%, the 74th percentile. Fixed in pathval 1.1.1.