CVE-2002-1358

What it is

Multiple SSH2 servers and clients do not properly handle lists with empty elements or strings, which may allow remote attackers to cause a denial of service or possibly execute arbitrary code, as demonstrated by the SSHredder SSH protocol test suite.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

5.8% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2002-12-23 05:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 21:59 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 5.8% in the next 30 days (EPSS).
• Severity: 10.0 HIGH (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2002-12-23 05:00 UTC

Last modified

2026-06-16 21:59 UTC

Exploit probability

5.8% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• Cisco iOS 12.0s
• Cisco iOS 12.0st
• Cisco iOS 12.1e
• Cisco iOS 12.1ea
• Cisco iOS 12.1t
• Cisco iOS 12.2
• Cisco iOS 12.2s
• Cisco iOS 12.2t

Attack profile CVSS 2.0 · 10.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

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