CVE-2002-1520: The CLI interface for WatchGuard Firebox Vclass 3.2 and earlier, and RSSA Appliance 3.0.2, does not properly c

This month

HIGH 10.0MITIGATEMITIGATE

CVE-2002-1520 is a high-severity flaw (CVSS 10.0) affecting rapidstream, firebox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The CLI interface for WatchGuard Firebox Vclass 3.2 and earlier, and RSSA Appliance 3.0.2, does not properly close the SSH connection when a -N option is provided during authentication, which allows remote attackers to access CLI with administrator privileges.

Why this priority

Critical severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	2.8% (top 14%)
CISA exploited list	No
Published	2003-04-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: rapidstream · watchguard

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2003-04-02 05:00 UTCPublished CVE record published
2026-06-16 21:59 UTCUpdated Record last modified

rapidstream rapidstream MITIGATE

Affected: 500 · 2000 · 4000 · 6000 · 8000

Fixed in: no fixed release known

Safe to downgrade to: a release before 500

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

watchguard firebox MITIGATE

Affected: v10 · v60 · v80 · v100

Fixed in: no fixed release known

Safe to downgrade to: a release before v10

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2002-1520?

rapidstream: mitigate or apply the listed mitigation; firebox: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-1520 being exploited?

CVE-2002-1520 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-2002-1520 affect?

CVE-2002-1520 affects rapidstream, firebox. Severity is high (CVSS 10.0). The CLI interface for WatchGuard Firebox Vclass 3.2 and earlier, and RSSA Appliance 3.0.2, does not properly close the SSH connection when a -N option is provided during authentication, which allows remote attackers to access CLI with admin

How urgent is CVE-2002-1520?

Priority 57/100. Critical severity

Related CVEs

CVE-2016-7089 HIGH 7.8 MITIGATE WatchGuard RapidStream appliances allow local users to gain privileges and execute arbitrary commands via a cr
CVE-2002-1519 HIGH 10.0 MITIGATE MITIGATE Format string vulnerability in the CLI interface for WatchGuard Firebox Vclass 3.2 and earlier, and RSSA Appli
CVE-2000-0784 HIGH 10.0 MITIGATE sshd program in the Rapidstream 2.1 Beta VPN appliance has a hard-coded "rsadmin" account with a null password

References

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