CVE-2020-24393 json
Improper Certificate Validation in TweetStream
published 2021-02-19 5 y ago modified 2026-06-17 4 mo ago also GHSA-6hrm-jqp3-64cv , EUVD-2021-0775
- cvss
- 5.9
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
TweetStream 2.6.1 uses the library eventmachine in an insecure way that does not have TLS hostname validation. This allows an attacker to perform a man-in-the-middle attack.
Exploit prediction
0.86% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- securitylab.github.com https://securitylab.github.com/advisories/GHSL-2020-096-tweetstream-tweetstream referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| rubygems | tweetstream | <=2.6.1 |
no fix listed |
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
securitylab.github.com
/advisories/GHSL-2020-096-tweetstream-tweetstream
advisory, exploit, third-party-advisory
-
github.com
/tweetstream/tweetstream
package, product
-
nvd.nist.gov
/vuln/detail/CVE-2020-24393
advisory
Sources
- CVE List CVE-2020-24393
- GitHub Advisory GHSA-6hrm-jqp3-64cv
- NVD CVE-2020-24393
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