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CVE-2011-0454

24
FAUCET Score

CVE-2011-0454 describes a buffer overflow vulnerability in the PPP Access Concentrator (PPPAC) of various SEIL/x86, SEIL/B1, SEIL/X1, SEIL/X2, SEIL/Turbo, and SEIL/neu 2FE Plus devices, allowing remote attackers to execute arbitrary code via a crafted PPPoE packet. With a CVSS score of 8.3, this vulnerability is considered high severity, enabling complete compromise of confidentiality, integrity, and availability with low attack complexity and no authentication required. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.00CPE matchmatch criteria
cpe:2.3:a:iij:seil\/b1_firmware:1.00:*:*:*:*:*:*:*
2.01CPE matchmatch criteria
cpe:2.3:a:iij:seil\/b1_firmware:2.01:*:*:*:*:*:*:*
2.10CPE matchmatch criteria
cpe:2.3:a:iij:seil\/b1_firmware:2.10:*:*:*:*:*:*:*
2.20CPE matchmatch criteria
cpe:2.3:a:iij:seil\/b1_firmware:2.20:*:*:*:*:*:*:*
2.30CPE matchmatch criteria
cpe:2.3:a:iij:seil\/b1_firmware:2.30:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

8.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
6.5
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.61%
Probability of exploitation in next 30 days
EPSS Percentile
83.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0261 is in the 91st percentile among its peer group of 1,857 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvndb.jvn.jp / jvndb/JVNDB-2011-000014
jvn.jp / en/jp/JVN88991166/index.html
secunia.com / advisories/43494
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/65672
securityfocus.com / bid/46598
seil.jp / support/security/a01001.html
Vendor Advisory