CVE-2007-0244

pptpgre.c in PoPToP Point to Point Tunneling Server (pptpd) before 1.3.4 allows remote attackers to cause a denial of service (PPTP connection tear-down) via (1) GRE packets with out-of-order sequence numbers or (2) certain GRE packets that are processed using a wrong pointer and improperly dequeued.

Published: 2007-05-11 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-0244 is rated Moderate Risk (52.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.69%). EPSS rose +1.05% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-0244

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-04 3.65% 4.69% +1.05%
2 2025-12-28 3.51% 3.65% +0.14%
3 2025-07-26 — 3.51% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-0244

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2007-0244

OS Trackers for CVE-2007-0244

vendor priority summary link
debian not yet assigned CVE-2007-0244 not yet assigned priority: Debian including 1 source packages (pptpd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2007-0244
gentoo normal CVE-2007-0244: 1 GLSA(s) (200705-18), 1 atom(s) (net-dialup/pptpd); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-0244
ubuntu medium CVE-2007-0244 medium priority: Ubuntu including 1 source packages (pptpd), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2007-0244

Affected software / configurations for CVE-2007-0244

Vendor Product Version Raw CPE
poptop pptp_server <= 1.3.3 cpe:2.3:a:poptop:pptp_server:*:*:*:*:*:*:*:*

References for CVE-2007-0244

cvelogic Threat Intelligence