9.8
CRITICAL
CVE-2020-7707
"Property-Expr Libre Hotpatch Prototype Pollution"
Description

The package property-expr before 2.0.3 are vulnerable to Prototype Pollution via the setter function.

INFO

Published Date :

Aug. 18, 2020, 2:15 p.m.

Last Modified :

Dec. 2, 2022, 7:55 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-7707 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Property-expr_project property-expr
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-7707.

URL Resource
https://github.com/jquense/expr/commit/df846910915d59f711ce63c1f817815bceab5ff7 Patch Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-598857 Exploit Third Party Advisory
https://snyk.io/vuln/SNYK-JS-PROPERTYEXPR-598800 Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-7707 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-7707 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Dec. 02, 2022

    Action Type Old Value New Value
    Changed Reference Type https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-598857 Broken Link https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-598857 Exploit, Third Party Advisory
    Changed Reference Type https://snyk.io/vuln/SNYK-JS-PROPERTYEXPR-598800 Broken Link https://snyk.io/vuln/SNYK-JS-PROPERTYEXPR-598800 Exploit, Third Party Advisory
    Removed CWE NIST CWE-915
    Added CWE NIST CWE-1321
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-20 CWE-915
  • Initial Analysis by [email protected]

    Aug. 25, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/jquense/expr/commit/df846910915d59f711ce63c1f817815bceab5ff7 No Types Assigned https://github.com/jquense/expr/commit/df846910915d59f711ce63c1f817815bceab5ff7 Patch, Third Party Advisory
    Changed Reference Type https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-598857 No Types Assigned https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-598857 Broken Link
    Changed Reference Type https://snyk.io/vuln/SNYK-JS-PROPERTYEXPR-598800 No Types Assigned https://snyk.io/vuln/SNYK-JS-PROPERTYEXPR-598800 Broken Link
    Added CWE NIST CWE-20
    Added CPE Configuration OR *cpe:2.3:a:property-expr_project:property-expr:*:*:*:*:*:node.js:*:* versions up to (excluding) 2.0.3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-7707 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.06 }} 0.17%

score

0.84050

percentile

CVSS31 - Vulnerability Scoring System
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