PatchTheCVECVE-2020-24393: TweetStream 2.6.1 uses the library eventmachine in an insecure way that does not have TLS hostname validation
CVE-2020-24393 is a medium-severity flaw (CVSS 5.9) affecting tweetstream. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.9% (top 42%) |
| CISA exploited list | No |
| Weakness | CWE-295 |
| Published | 2021-02-19 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-24393?
tweetstream: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2020-24393 being exploited?
CVE-2020-24393 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-24393 affect?
CVE-2020-24393 affects tweetstream. Severity is medium (CVSS 5.9). 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.
How urgent is CVE-2020-24393?
Priority 45/100. Public exploit reference; Remotely exploitable, no login, no user action