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Headend Digital Broadband Delivery SystemOperating system · Cisco

CVE-2015-0745

MEDIUM · 5.0 CVSS v2.0 Published 2015-05-30
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
59/100
Remediation priority · Elevated
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Cisco Headend System Release allows remote attackers to read temporary script files or archive files, and consequently obtain sensitive information, via a crafted header in an HTTP request, aka Bug ID CSCus44909.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Cisco Headend System Release contains an information disclosure vulnerability where remote attackers can read temporary script files or archive files via a crafted header in an HTTP request. The vulnerability allows sensitive information leakage through improper handling of HTTP request headers, leading to exposure of temporary files on the system.

MitigationApply the Cisco patch for Bug ID CSCus44909; in the interim, restrict network access to the Headend System management interfaces and implement web application firewall rules to block requests with abnormal or crafted headers.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Headend Digital Broadband Delivery SystemOperating system
Affected:all versions
Headend System ReleaseOperating system
Affected:= 2.5= 2.7= 3.2= 3.5= 3.7= i4.3

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the Cisco Headend product and version
    Access the system management interface or CLI and retrieve the software version. For Headend System Release, check the version in the about/system information page. For Digital Broadband Delivery System, check the release version in the admin console.
    Affected if The product is Cisco Headend Digital Broadband Delivery System (any version) OR Cisco Headend System Release version 2.5, 2.7, 3.2, 3.5, 3.7, or i4.3
  2. Verify HTTP management interface is exposed
    Check network configuration to determine if the Headend System web management interface (typically ports 80/443 or custom HTTP ports) is accessible from external or untrusted networks. Review firewall rules and access control lists.
    Affected if The HTTP/HTTPS management interface is reachable from networks other than trusted management networks
  3. Check for accessible temporary files
    Send an HTTP request with crafted headers to the web interface and observe if temporary script files or archive files are returned. Common paths to test include temporary directories or recently created script files if accessible.
    Affected if The server responds with temporary files or sensitive content when abnormal headers are sent
  4. Review HTTP header handling
    Test the web interface with various HTTP header manipulations (such as unusually long headers, special characters, or malformed headers) to see if sensitive information is leaked in responses.
    Affected if Abnormal or crafted headers trigger disclosure of system information or temporary file contents

A system is affected if it is a Cisco Headend Digital Broadband Delivery System (any version) or Headend System Release versions 2.5/2.7/3.2/3.5/3.7/i4.3 with an exposed HTTP management interface that leaks temporary files when crafted headers are sent.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply the Cisco patch for Bug ID CSCus44909; in the interim, restrict network access to the Headend System management interfaces and implement web application firewall rules to block requests with abnormal or crafted headers.

Fix this in Headend Digital Broadband Delivery System Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA1.0 h
10.0 hours of engineering $1,750
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2015-0745 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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