CVE-2001-0026

Exp

rp-pppoe PPPoE client allows remote attackers to cause a denial of service via the Clamp MSS option and a TCP packet with a zero-length TCP option.

Published: 2001-02-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-0026 is rated High Exploit Risk (64.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 8.44%, 94th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2001-0026

EDB-ID Source Kind Published Link
20494 exploit_db edb 2000-12-11 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0026

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 2026-06-15 12.20% 8.44% -3.77%
2 2025-03-30 10.63% 12.20% +1.57%
3 2025-03-29 — 10.63% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0026

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-2001-0026

OS Trackers for CVE-2001-0026

vendor priority summary link
redhat — — https://access.redhat.com/security/cve/CVE-2001-0026

Affected software / configurations for CVE-2001-0026

Vendor Product Version Raw CPE
roaring_penguin pppoe 2.0 cpe:2.3:a:roaring_penguin:pppoe:2.0:*:*:*:*:*:*:*
roaring_penguin pppoe 2.1 cpe:2.3:a:roaring_penguin:pppoe:2.1:*:*:*:*:*:*:*
roaring_penguin pppoe 2.2 cpe:2.3:a:roaring_penguin:pppoe:2.2:*:*:*:*:*:*:*
roaring_penguin pppoe 2.3 cpe:2.3:a:roaring_penguin:pppoe:2.3:*:*:*:*:*:*:*
roaring_penguin pppoe 2.4 cpe:2.3:a:roaring_penguin:pppoe:2.4:*:*:*:*:*:*:*

References for CVE-2001-0026

cvelogic Threat Intelligence