HOMEVULNERABILITIESCVE-2003-0453
CRITICAL

CVE-2003-0453

NVD-CWE-OtherPublished: August 7, 2003· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

traceroute-nanog 6.1.1 allows local users to overwrite unauthorized memory and possibly execute arbitrary code via certain "nprobes" and "max_ttl" arguments that cause an integer overflow that is used when allocating memory, which leads to a buffer overflow.

NVD Source

Technical Analysis

CVE-2003-0453 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
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

ehud_gavron1 product(s)
traceroute-nanog
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (4)

Quick Facts

CVE IDCVE-2003-0453
CVSS Score10.0 / 10
SeverityCRITICAL
CISA KEVNo
Affected1 vendor(s)
PublishedAug 7, 2003

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2003-0453 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.