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CVE-2020-24393

20
FAUCET Score

CVE-2020-24393 describes a medium-severity vulnerability in TweetStream 2.6.1, where its insecure use of the eventmachine library lacks TLS hostname validation. This flaw allows an unauthenticated attacker to perform a man-in-the-middle attack over the network, potentially compromising data integrity. The vulnerability has a CVSS score of 5.9, indicating a moderate risk with high impact on integrity and high attack complexity. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.1CPE matchmatch criteria
cpe:2.3:a:tweetstream_project:tweetstream:2.6.1:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.86%
Probability of exploitation in next 30 days
EPSS Percentile
54.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0086 is in the 12th percentile among its peer group of 19,956 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

rubygemsGHSA-6hrm-jqp3-64cvmedium

Improper Certificate Validation in TweetStream

Apr 13, 2021

References

github.com / tweetstream/tweetstream
Product
securitylab.github.com / advisories/GHSL-2020-096-tweetstream-tweetstream
ExploitThird Party Advisory