How severe is CVE-2002-1357?

CVE-2002-1357 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2002-1357 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-1357?

CVE-2002-1357 primarily affects Fissh Ssh Client. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-1357?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2002-1357 published?

CVE-2002-1357 was published on 2002-12-23 and last updated on 2026-06-16.

CVE-2002-1357

CVE-2002-1357 is a critical-severity vulnerability in Fissh Ssh Client with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Fissh Ssh Client
Published: 2002-12-23
Last modified: 2026-06-16

Description

Multiple SSH2 servers and clients do not properly handle packets or data elements with incorrect length specifiers, 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.

Frequently asked questions

What is CVE-2002-1357?: Multiple SSH2 servers and clients do not properly handle packets or data elements with incorrect length specifiers, 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.
How severe is CVE-2002-1357?: CVE-2002-1357 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2002-1357 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-1357?: CVE-2002-1357 primarily affects Fissh Ssh Client. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-1357?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2002-1357 published?: CVE-2002-1357 was published on 2002-12-23 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:o:cisco:ios:12.0s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0st:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1ea:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2t:*:*:*:*:*:*:*
cpe:2.3:a:fissh:ssh_client:1.0a_for_windows:*:*:*:*:*:*:*
cpe:2.3:a:intersoft:securenetterm:5.4.1:*:*:*:*:*:*:*
cpe:2.3:a:netcomposite:shellguard_ssh:3.4.6:*:*:*:*:*:*:*
cpe:2.3:a:pragma_systems:secureshell:2.0:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.48:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.49:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.53:*:*:*:*:*:*:*
cpe:2.3:a:winscp:winscp:2.0.0:*:*:*:*:*:*:*

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