Which products and versions are affected by CVE-2002-1059?

Affected: Securecrt (Van Dyke Technologies) versions 2.4, 3.0, 3.1, 3.1.1, 3.1.2, 3.2, 3.2.1, 3.3. The full list is in the CVE brief.

Is CVE-2002-1059 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2002-1059 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2002-1059?

Public exploit code is available.

Is there a fix for CVE-2002-1059?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2002-1059 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2002-1059

HighPublic exploit

Buffer overflow in Van Dyke SecureCRT SSH client before 3.4.6, and 4.x before 4.0 beta 3, allows an SSH server to execute arbitrary code via a long SSH1 protocol version string.

Published Oct 4, 2002 · Updated Apr 15, 2026

Key Facts

Patch immediately

CVE-2002-1059 is a high-severity vulnerability (CVSS 7.5 v2) affecting Securecrt (Van Dyke Technologies).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 60% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

7.5

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS (30-day exploit likelihood)

60%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2002-1059 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Buffer overflow in Van Dyke SecureCRT SSH client before 3.4.6, and 4.x before 4.0 beta 3, allows an SSH server to execute arbitrary code via a long SSH1 protocol version string.

Affected Products

19 affected entries in total

Product	Affected versions	Fixed in
SecurecrtVan Dyke Technologies	2.4, 3.0, 3.1, 3.1.1, 3.1.2, 3.2, 3.2.1, 3.3	n/a

Timeline

Publicly disclosed
Oct 4, 2002
Last updated
Apr 15, 2026

References

5 more references in the full CVE brief

FAQ

Common Questions.

Buffer overflow in Van Dyke SecureCRT SSH client before 3.4.6, and 4.x before 4.0 beta 3, allows an SSH server to execute arbitrary code via a long SSH1 protocol version string.
Affected: Securecrt (Van Dyke Technologies) versions 2.4, 3.0, 3.1, 3.1.1, 3.1.2, 3.2, 3.2.1, 3.3. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2002-1059 Running On Your Attack Surface?

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