CVE-2020-7778
Prototype Pollution
HIGH
7.3
CVSS Score
Published: November 26, 2020 at 10:40 AM UTC
Updated: June 17, 2026 at 03:25 AM UTC
1 product affected across 1 vendorSysteminformation
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Severity
HIGH7.3
Exploit prediction
EPSS 2%
Description
This affects the package systeminformation before 4.30.2. The attacker can overwrite the properties and functions of an object, which can lead to executing OS commands.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 4.30.2
Affected range stops below 4.30.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://github.com/sebhildebrandt/systeminformation/commit/11103a447ab9550c25f1fbec7e6d903720b3fea8%23diff-970ae648187190f86bafc8f193b7538200eba164fad0674428b6487582c089cc
- https://github.com/sebhildebrandt/systeminformation/commit/73dce8d717ca9c3b7b0d0688254b8213b957f0fa%23diff-970ae648187190f86bafc8f193b7538200eba164fad0674428b6487582c089cc
References (5)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://gist.github.com/EffectRenan/b434438938eed0b21b376cedf5c81e80x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/sebhildebrandt/systeminformation/blob/master/lib/internet.jsx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/sebhildebrandt/systeminformation/commit/11103a447ab9550c25f1fbec7e6d903720b3fea8%23diff-970ae648187190f86bafc8f193b7538200eba164fad0674428b6487582c089ccx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/sebhildebrandt/systeminformation/commit/73dce8d717ca9c3b7b0d0688254b8213b957f0fa%23diff-970ae648187190f86bafc8f193b7538200eba164fad0674428b6487582c089ccx_refsource_MISCThird Party Advisory
Source: [email protected]
https://snyk.io/vuln/SNYK-JS-SYSTEMINFORMATION-1043753CVSS
7.3HIGHsnyk
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-78
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