CVE-2002-1357

CRITICAL

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...

Affects 7 products across 7 vendors.

CVSS 2.010.0
EPSS9.8%
Percentile96th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
CWE Weakness Definitions
CWE-119: Improper Restriction of Operations within Memory Buffer

Parent class for buffer-related vulnerabilities where operations exceed buffer boundaries.

Related Attack Patterns (CAPEC)
CAPEC-8 Buffer Overflow in an API Call
via CWE-119
CAPEC-9 Buffer Overflow in Local Command-Line Utilities
via CWE-119
CAPEC-10 Buffer Overflow via Environment Variables
via CWE-119
CAPEC-14 Client-side Injection-induced Buffer Overflow
via CWE-119
CAPEC-24 Filter Failure through Buffer Overflow
via CWE-119
Show all 12

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2002. A critical vulnerability affects Cisco systems (CVE-2002-1357). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2002-GLOBAL-351443-C • Model: rule-based-v1 • Confidence: MEDIUM

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →
Frequently Asked Questions
What is CVE-2002-1357?
This vulnerability was disclosed in 2002. A critical vulnerability affects Cisco systems (CVE-2002-1357). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2002-1357?
CVE-2002-1357 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 9.8%.
Is CVE-2002-1357 actively exploited?
No confirmed active exploitation of CVE-2002-1357 as of 2026-09-25.
How do I remediate CVE-2002-1357?
Priority: MEDIUM.
What systems are affected by CVE-2002-1357?
CVE-2002-1357 affects Cisco Ios; Fissh Ssh Client; Intersoft Securenetterm; Netcomposite Shellguard Ssh; Pragma Systems Secureshell; Putty Putty; Winscp Winscp.
Vulnerability Details
CVE IDCVE-2002-1357
BSIDBS-2002-GLOBAL-351443-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2002-12-23
Last Modified2026-06-16
ICS Relevance70%
Weakness (CWE)
Improper Restriction of Operations within Memory Buffer
Domains
NETWORK-INFRA
SourceNVD
Official 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.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: 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. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Cisco Ios 12.0s 12.0st 12.1e 12.1ea 12.1t 12.2
+2 more12.2s 12.2t
Fissh Ssh Client 1.0a_for_windows
Intersoft Securenetterm 5.4.1
Netcomposite Shellguard Ssh 3.4.6
Pragma Systems Secureshell 2.0
Putty Putty 0.48 0.49 0.53
Winscp Winscp 2.0.0
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 8705 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash5c6d273fac39b372c1f2e1e753b2f1091dc35c5332d94af5c94d0d76a0112f1669739939ea64daf88f184b42e143d2a0b58a3b68cf9bb66c15a0abc5df619bab
Related CVEs affecting Cisco
CVE-1999-0775 10.0 Cisco Gigabit Switch routers running IOS allow remote attackers to forward un... CVE-2000-1054 10.0 Buffer overflow in CSAdmin module in CiscoSecure ACS Server 2.4(2) and earlie... CVE-2006-5288 10.0 Cisco 2700 Series Wireless Location Appliances before 2.1.34.0 have a default... CVE-2008-4296 10.0 The Cisco Linksys WRT350N with firmware 1.0.3.7 has "admin" as its default pa... CVE-2010-0600 10.0 Cisco Mediator Framework 1.5.1 before 1.5.1.build.14-eng, 2.2 before 2.2.1.de...
View all Cisco CVEs →

Critical Severity - Know Your Exposure

A CVSS 10.0 vulnerability in your ICS environment cannot wait. BreachSpider maps critical CVEs to your specific assets and tells you what to fix first.

Create a free account →