PatchTheCVECVE-2011-2683: reseed seeds random numbers from an insecure HTTP request to random.org during installation, which makes it ea
CVE-2011-2683 is a medium-severity flaw (CVSS 5.9) affecting reseed. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
reseed seeds random numbers from an insecure HTTP request to random.org during installation, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a man-in-the-middle attack.
Why this priority
- 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 | 1.3% (top 29%) |
| CISA exploited list | No |
| Weakness | CWE-254 |
| Published | 2017-10-23 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · 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-2011-2683?
reseed: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2011-2683 being exploited?
CVE-2011-2683 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-2011-2683 affect?
CVE-2011-2683 affects reseed. Severity is medium (CVSS 5.9). reseed seeds random numbers from an insecure HTTP request to random.org during installation, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a man-in-the-middle attack.
How urgent is CVE-2011-2683?
Priority 43/100. Remotely exploitable, no login, no user action