CVE-2009-4409

Description

The (1) CHAP and (2) MS-CHAP-V2 authentication capabilities in the PPP Access Concentrator (PPPAC) function in Internet Initiative Japan SEIL/B1 firmware 1.00 through 2.52 use the same challenge for each authentication attempt, which allows remote attackers to bypass authentication via a replay attack.

Category

2.6
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.29%
Vendor Advisory secunia.com Vendor Advisory seil.jp
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/37628 third party advisory vendor advisory
http://www.securityfocus.com/bid/37293 vdb entry
http://jvn.jp/en/jp/JVN49602378/index.html third party advisory
http://www.osvdb.org/61118 vdb entry
http://www.seil.jp/seilseries/security/2009/a00697.php vendor advisory
http://jvndb.jvn.jp/ja/contents/2009/JVNDB-2009-000079.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2009-4409?
CVE-2009-4409 has been scored as a low severity vulnerability.
How to fix CVE-2009-4409?
To fix CVE-2009-4409, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-4409 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2009-4409 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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