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CVE-2020-7706

30
FAUCET Score

CVE-2020-7706 is a critical prototype pollution vulnerability (CWE-1321) affecting the connie-lang package prior to version 0.1.1. This flaw allows an unauthenticated attacker to remotely execute arbitrary code with high impact on confidentiality, integrity, and availability, as indicated by its CVSS score of 9.8. While there is no known active exploitation, public exploit code, or Metasploit/Nuclei modules, the vulnerability has garnered significant community discussion, suggesting awareness among researchers. Organizations using affected versions of connie-lang should prioritize patching to mitigate this severe risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.1.1CPE matchmatch criteria
cpe:2.3:a:connie-lang_project:connie-lang:*:*:*:*:*:*:*:*

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
2.80%
Probability of exploitation in next 30 days
EPSS Percentile
85.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0280 is in the 76th percentile among its peer group of 36,835 CVEs.

Social Chatter

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: connie-langFixed in: 0.1.1

Vendor Advisories (1)

npmGHSA-8vv3-jxm8-f4vfcritical

Prototype Pollution in connie-lang

May 6, 2021

References

github.com / mattinsler/connie-lang/commit/ef376d404c712dd28309ba07f28a8f87f24a015a
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-CONNIELANG-598853
ExploitThird Party Advisory