CVE-2016-1561

What it is

ExaGrid appliances with firmware before 4.8 P26 have a default SSH public key in the authorized_keys file for root, which allows remote attackers to obtain SSH access by leveraging knowledge of a private key from another installation or a firmware image.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure.

Exploit odds

74.4% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2017-04-21 20:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:42 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 74.4% in the next 30 days (EPSS).
• Severity: 7.5 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2017-04-21 20:59 UTC

Last modified

2026-06-17 00:42 UTC

Exploit probability

74.4% · EPSS, next 30 days

Weakness

CWE-200 · Information exposure

Record status

Modified

Affected

• Exagrid ex3000 Firmware 4.8
• Exagrid ex5000 Firmware 4.8
• Exagrid ex7000 Firmware 4.8
• Exagrid ex10000e Firmware 4.8
• Exagrid ex13000e Firmware 4.8
• Exagrid ex21000e Firmware 4.8
• Exagrid ex32000e Firmware 4.8
• Exagrid ex40000e Firmware 4.8

Attack profile CVSS 3.0 · 7.5

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2016-1561.md and follow it. Check whether this project is affected by CVE-2016-1561. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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