PatchTheCVECVE-2015-3454: TelescopeJS before 0.15 leaks user bcrypt password hashes in websocket messages, which might allow remote atta
CVE-2015-3454 is a high-severity flaw (CVSS 7.5) affecting vulcan. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
TelescopeJS before 0.15 leaks user bcrypt password hashes in websocket messages, which might allow remote attackers to obtain password hashes via a cross-site scripting attack.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 3.0% (top 13%) |
| CISA exploited list | No |
| Weakness | CWE-200 |
| Published | 2017-09-06 |
| 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-2015-3454?
vulcan: upgrade to newer than 0.14.3. Exact commands for each OS are on this page.
Is CVE-2015-3454 being exploited?
CVE-2015-3454 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-2015-3454 affect?
CVE-2015-3454 affects vulcan. Severity is high (CVSS 7.5). TelescopeJS before 0.15 leaks user bcrypt password hashes in websocket messages, which might allow remote attackers to obtain password hashes via a cross-site scripting attack.
How urgent is CVE-2015-3454?
Priority 53/100. High severity; Remotely exploitable, no login, no user action