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CVE-2019-13611

27
FAUCET Score

CVE-2019-13611 describes a Cross-Site WebSocket Hijacking (CSWSH) vulnerability in python-engineio versions through 3.8.2, allowing attackers to leverage a victim's credentials for unauthorized WebSocket connections due to unrestricted Origin headers. This vulnerability carries a high CVSS score of 8.8, indicating a severe impact with high confidentiality, integrity, and availability risks, requiring user interaction but low attack complexity. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.8.2CPE matchmatch criteria
cpe:2.3:a:python-engineio_project:python-engineio:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0085 is in the 56th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: python-engineioFixed in: 3.9.0

Vendor Advisories (1)

pipGHSA-j3jp-gvr5-7hwqhigh

python-engineio vulnerable to Cross-Site Request Forgery (CSRF)

Jul 30, 2019

References

github.com / miguelgrinberg/python-engineio/issues/128
PatchThird Party Advisory