CVE-2018-5493
ATTO FibreBridge 7500N firmware versions prior to 2.90 are susceptible to a vulnerability which...
ATTO FibreBridge 7500N firmware versions prior to 2.90 are susceptible to a vulnerability which allows an unauthenticated remote attacker to cause Denial of Service (DoS).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
ATTO FibreBridge 7500N firmware versions prior to 2.90 are susceptible to a vulnerability which allows an unauthenticated remote attacker to cause Denial of Service (DoS).
- Record
CVE-2018-5493- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
ATTO FibreBridge 7500N firmware versions prior to 2.90 are susceptible to a vulnerability which allows an unauthenticated remote attacker to cause Denial of Service (DoS).
- Record
CVE-2018-5493- Updated
- 2026-11-02
EUVDEUVD-2018-17262 No score
ATTO FibreBridge 7500N firmware versions prior to 2.90 are susceptible to a vulnerability which allows an unauthenticated remote attacker to cause Denial of Service (DoS).
- Record
EUVD-2018-17262- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qjff-6hhq-wmw2 No score
ATTO FibreBridge 7500N firmware versions prior to 2.90 are susceptible to a vulnerability which...
ATTO FibreBridge 7500N firmware versions prior to 2.90 are susceptible to a vulnerability which allows an unauthenticated remote attacker to cause Denial of Service (DoS).
- Record
GHSA-qjff-6hhq-wmw2- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-5493 is a high vulnerability (CVSS 7.5) in Atto Fibrebridge 7500n Firmware, published May 7, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.83%, the 78th percentile. No source names a fixed version.