CVE-2020-24392
Improper Certificate Validation in twitter-stream
In voloko twitter-stream 0.1.10, missing TLS hostname validation allows an attacker to perform a man-in-the-middle attack against users of the library (because eventmachine is misused).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In voloko twitter-stream 0.1.10, missing TLS hostname validation allows an attacker to perform a man-in-the-middle attack against users of the library (because eventmachine is misused).
- Record
CVE-2020-24392- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
CVE ListNo score
In voloko twitter-stream 0.1.10, missing TLS hostname validation allows an attacker to perform a man-in-the-middle attack against users of the library (because eventmachine is misused).
- Record
CVE-2020-24392- Updated
- 2026-11-02
EUVDEUVD-2021-0687No score
In voloko twitter-stream 0.1.10, missing TLS hostname validation allows an attacker to perform a man-in-the-middle attack against users of the library (because eventmachine is misused).
- Record
EUVD-2021-0687- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p6p8-q4pj-f74m
Improper Certificate Validation in twitter-stream
In voloko twitter-stream 0.1.16, missing TLS hostname validation allows an attacker to perform a man-in-the-middle attack against users of the library (because eventmachine is misused).
- Record
GHSA-p6p8-q4pj-f74m- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
OSV
In voloko twitter-stream 0.1.10, missing TLS hostname validation allows an attacker to perform a man-in-the-middle attack against users of the library (because eventmachine is misused).
- Record
CVE-2020-24392- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-24392
In voloko twitter-stream 0.1.10, missing TLS hostname validation allows an attacker to perform a man-in-the-middle attack against users of the library (because eventmachine is misused).
- Record
DEBIAN-CVE-2020-24392- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-p6p8-q4pj-f74m
Improper Certificate Validation in twitter-stream
In voloko twitter-stream 0.1.16, missing TLS hostname validation allows an attacker to perform a man-in-the-middle attack against users of the library (because eventmachine is misused).
- Record
GHSA-p6p8-q4pj-f74m- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-24392
In voloko twitter-stream 0.1.10, missing TLS hostname validation allows an attacker to perform a man-in-the-middle attack against users of the library (because eventmachine is misused).
- Record
UBUNTU-CVE-2020-24392- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
twitter-streamRubyGems | through 0.1.16 | None known |
ruby-twitter-streamDebian:12 | All versions, plus listed versions 0.1.16-4 | None known |
twitter-streamRubyGems | through 0.1.16, plus listed versions 0.1.00.1.10.1.100.1.110.1.12 Show 10 moreShow less0.1.130.1.140.1.150.1.20.1.30.1.40.1.60.1.70.1.80.1.9 | None known |
ruby-twitter-streamUbuntu:16.04:LTS | All versions, plus listed versions 0.1.16-10.1.16-2 | None known |
ruby-twitter-streamUbuntu:18.04:LTS | All versions, plus listed versions 0.1.16-3 | None known |
ruby-twitter-streamUbuntu:20.04:LTS | All versions, plus listed versions 0.1.16-3 | None known |
ruby-twitter-streamUbuntu:22.04:LTS | All versions, plus listed versions 0.1.16-30.1.16-4 | None known |
ruby-twitter-streamUbuntu:24.04:LTS | All versions, plus listed versions 0.1.16-4 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-24392 is a medium vulnerability (CVSS 5.9) in Twitter-stream Project Twitter-stream, published February 19, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. No source names a fixed version.
References
github.com/voloko/twitter-stream
securitylab.github.com/advisories/GHSL-2020-097-voloko-twitter-stream
nvd.nist.gov/vuln/detail/CVE-2020-24392
security-tracker.debian.org/tracker/CVE-2020-24392
ubuntu.com/security/CVE-2020-24392
cve.org/CVERecord?id=CVE-2020-24392