CVE-2009-1135
Exploitation likely. EPSS gives it a 26% chance of exploitation in the next 30 days. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
What it is
From the CVE record
Microsoft Internet Security and Acceleration (ISA) Server 2006 Gold and SP1, when Radius OTP is enabled, uses the HTTP-Basic authentication method, which allows remote attackers to gain the privileges of an arbitrary account, and access published web pages, via vectors involving attempted access to a network resource behind the ISA Server, aka "Radius OTP Bypass Vulnerability."
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
26% chance of exploitation activity in the next 30 days, which ranks it in the 98th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 6189 days, from the signal feeds we watch.
- OpenVAS check added
- Record updated
- Publishedweakness classified
Affected products
And 1 more affected product. See all after sign-in
Technical detail
CVSS 2.0 vector
Open in the CVSS calculatorAV:N/AC:L/Au:S/C:C/I:C/A:C
Scored 9.0 by NVD.
How it is reached
- Access Vector NetworkExploitable remotely over the network
- Access Complexity LowNo special conditions required
- Authentication SingleRequires single authentication
Impact if exploited
- Confidentiality CompleteAll information is disclosed
- Integrity CompleteAll data can be modified
- Availability CompleteTotal shutdown of the affected resource
Weaknesses
Sources
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