PatchTheCVECVE-2017-14003: An Authentication Bypass by Spoofing issue was discovered in LAVA Ether-Serial Link (ESL) running firmware ver
CVE-2017-14003 is a critical-severity flaw (CVSS 9.8) affecting ether-serial link firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An Authentication Bypass by Spoofing issue was discovered in LAVA Ether-Serial Link (ESL) running firmware versions 6.01.00/29.03.2007 and prior versions. An improper authentication vulnerability has been identified, which, if exploited, would allow an attacker with the same IP address to bypass authentication by accessing a specific uniform resource locator.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
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-2017-14003?
ether-serial link firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2017-14003 being exploited?
CVE-2017-14003 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-2017-14003 affect?
CVE-2017-14003 affects ether-serial link firmware. Severity is critical (CVSS 9.8). An Authentication Bypass by Spoofing issue was discovered in LAVA Ether-Serial Link (ESL) running firmware versions 6.01.00/29.03.2007 and prior versions. An improper authentication vulnerability has been identified, which, if exploited, wo
How urgent is CVE-2017-14003?
Priority 61/100. Critical severity; Remotely exploitable, no login, no user action