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CVE-2001-0026

31
FAUCET Score

CVE-2001-0026 describes a denial-of-service vulnerability in the rp-pppoe PPPoE client, specifically affecting Roaring Penguin PPPoE. Remote attackers can exploit this by sending a TCP packet with a zero-length TCP option in conjunction with the Clamp MSS option. This vulnerability has a CVSS score of 5.0 (Medium), indicating a network-based attack with low complexity, requiring no authentication, and resulting in partial availability impact. While not listed in CISA's KEV catalog, an exploit is publicly available on ExploitDB, and the CVE has garnered significant community discussion, with 10 mentions.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:roaring_penguin:pppoe:2.0:*:*:*:*:*:*:*
2.1CPE matchmatch criteria
cpe:2.3:a:roaring_penguin:pppoe:2.1:*:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:a:roaring_penguin:pppoe:2.2:*:*:*:*:*:*:*
2.3CPE matchmatch criteria
cpe:2.3:a:roaring_penguin:pppoe:2.3:*:*:*:*:*:*:*
2.4CPE matchmatch criteria
cpe:2.3:a:roaring_penguin:pppoe:2.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.44%
Probability of exploitation in next 30 days
EPSS Percentile
94.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-20494 · Dec 11, 2000
This CVE's current EPSS score of 0.0844 is in the 93rd percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2001-0026

security flaw

Dec 11, 2000

References

archives.neohapsis.com / archives/bugtraq/2000-12/0134.html
PatchVendor Advisory
distro.conectiva.com.br / atualizacoes
exchange.xforce.ibmcloud.com / vulnerabilities/5727
linux-mandrake.com / en/security/MDKSA-2000-084.php3
redhat.com / support/errata/RHSA-2000-130.html
ExploitPatchVendor Advisory
securityfocus.com / bid/2098
PatchVendor Advisory