HIGH
CVE-2003-0638
NVD-CWE-OtherPublished: August 27, 2003· Updated: Jun 16, 2026
7.5
CVSS v3.1
Official Description
Multiple buffer overflows in Novell iChain 2.1 before Field Patch 3, and iChain 2.2 before Field Patch 1a, allow attackers to cause a denial of service (ABEND) and possibly execute arbitrary code via (1) a long user name or (2) an unknown attack related to a "special script against login."
Technical Analysis
CVE-2003-0638 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected Vendors & Products
novell1 product(s)
ichain
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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PacketStorm
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NVD Detail
Official NIST entry
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CVE Program entry
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All References (6)
Quick Facts
CVE IDCVE-2003-0638
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedAug 27, 2003
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2003-0638 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.