$ cve CVE-2003-0213 JSON

CVE-2003-0213 EXPLOIT

7.5

HIGH · CVSS 2.0 · EPSS 70.9% (pctl 99)

Patch early

A public exploit exists.

Description

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.

Scoring

CVSS	7.5 (HIGH, v2.0)
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS	70.94% — more likely to be exploited than 99% of all CVEs
On CISA KEV	no
Public exploit	yes
Published	2003-05-12
Last modified	2026-06-16

Affected (1)

Vendor	Product
poptop	pptp server

Public exploits

Source	Title	Date
exploit-db	PoPToP - Negative Read Overflow (Metasploit)	2010-11-23
exploit-db	PoPToP PPTP 1.1.4-b3 - 'poptop-sane.c' Remote Command Execution	2003-04-25
exploit-db	PoPToP PPTP 1.1.4-b3 - Remote Command Execution	2003-04-18
exploit-db	PoPToP PPTP 1.0/1.1.x - Negative 'read()' Argument Remote Buffer Overflow	2003-04-09
exploit-db	PoPToP < 1.1.3-b3/1.1.3-20030409 - Negative Read Overflow (Metasploit)	2003-04-09

References

→ the Explorer · watch your stack · NVD