CVE-2003-0213: n/a vulnerability

CVE-2003-0213: ctrlpacket.c in PoPToP PPTP server before 1.1.4-b3 allows remote attackers to cause a denial of service via...

ctrlpacket.c in PoPToP PPTP server before 1.1.4-b3 allows remote attackers to cause a denial of service via a length field of 0 or 1, which causes a negative value to be fed into a read operation, leading to a buffer overflow.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 01:43 UTC (UTC+00:00)

Security readout for executives and security teams

This flaw affects old PoPToP PPTP server versions before 1.1.4-b3. A remote attacker could send malformed PPTP control data that crashes the service, disrupting VPN access. The supplied sources describe public exploit discussion, but do not show current active exploitation. Exposure is most likely on legacy Linux systems still running PoPToP pptpd before 1.1.4-b3, especially if PPTP is reachable from untrusted networks. Modern environments may only be exposed through forgotten VPN gateways or old appliances. Prioritize remediation if PPTP supports business access or is internet-facing. The main business risk is VPN outage from a remotely triggerable crash, with added concern from public exploit-era references. Mitigation focus: Inventory systems running PoPToP or pptpd.; Upgrade to vendor-supported fixed packages or PoPToP 1.1.4-b3 or later.; Restrict PPTP exposure to trusted networks where retirement is not immediate..

Prepared: Jun 30, 2026, 11:41 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Apr 26, 2003, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

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