CVE-2003-0213

7.5 HIGH 71% exploit odds Fix listed Memory safety Server

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 70.9% chance of exploitation in the next 30 days (EPSS). Higher than most.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2003-05-12 04:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:01 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 70.9% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2003-05-12 04:00 UTC
Last modified: 2026-06-16 22:01 UTC
Exploit probability: 70.9% · EPSS, next 30 days
Record status: Modified

Affected

Poptop Pptp Server 1.0.1
Poptop Pptp Server 1.1.2
Poptop Pptp Server 1.1.3
Poptop Pptp Server 1.1.3_2002-10-09
Poptop Pptp Server 1.1.4b1
Poptop Pptp Server 1.1.4b2

Attack profile CVSS 2.0 · 7.5

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2003-0213.md and follow it. Check whether this project is affected by CVE-2003-0213. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

· More options · Status badge

Download Square Reddit

Fix and advisories

References

NVD record · CVE.org record