Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-25489

31
FAUCET Score

CVE-2020-25489 is a critical heap overflow vulnerability affecting Sqreen PyMiniRacer (Python Mini Racer) versions prior to 0.3.0. This flaw, rated 9.8 CVSS, allows unauthenticated remote attackers to potentially achieve heap corruption, leading to high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness. Organizations using affected versions should prioritize upgrading to mitigate this severe risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.3.0CPE matchmatch criteria
cpe:2.3:a:sqreen:python_mini_racer:*:*:*:*:*:*:*:*

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
2.52%
Probability of exploitation in next 30 days
EPSS Percentile
83.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0252 is in the 73rd percentile among its peer group of 36,833 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
pippatch availablevia ghsa
Product: py-mini-racerFixed in: 0.3.0

Vendor Advisories (1)

pipGHSA-vwcg-7xqw-qcxwhigh

Heap Overflow in PyMiniRacer

Sep 18, 2020

References

blog.sqreen.com / vulnerability-disclosure-finding-a-vulnerability-in-sqreens-php-agent-and-how-we-fixed-it
ExploitVendor Advisory
github.com / sqreen/PyMiniRacer/compare/v0.2.0...v0.3.0
PatchThird Party Advisory