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CVE-2020-7704

25
FAUCET Score

CVE-2020-7704 describes a Prototype Pollution vulnerability in the linux-cmdline package prior to version 1.0.1, specifically exploitable via the constructor. This critical vulnerability, rated 9.8 CVSS, allows an unauthenticated attacker to achieve high impact on confidentiality, integrity, and availability with low attack complexity over the network. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.1CPE matchmatch criteria
cpe:2.3:a:linux-cmdline_project:linux-cmdline:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.70%
Probability of exploitation in next 30 days
EPSS Percentile
84.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0270 is in the 75th percentile among its peer group of 36,833 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: linux-cmdlineFixed in: 1.0.1

Vendor Advisories (1)

npmGHSA-2c29-wc65-4cx9critical

linux-cmdline is vulnerable to Prototype Pollution via the constructor

May 24, 2022

References

github.com / piranna/linux-cmdline/commit/53c61a88bc47eb25d71832205056beaab95cf677
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-LINUXCMDLINE-598674
ExploitThird Party Advisory