Adaptive Security Appliance SoftwareOperating system · Cisco
CVE-2010-4674
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 · uneditedUnspecified vulnerability on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2(4) and earlier allows remote attackers to cause a denial of service (block exhaustion) via multicast traffic, aka Bug ID CSCtg63992.
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 · high confidenceA denial of service vulnerability in Cisco ASA 5500 series devices running software 8.2(4) and earlier allows remote attackers to send specially crafted multicast traffic that exhausts connection blocks, causing the device to become unresponsive.
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
Adaptive Security Appliance SoftwareOperating system
<= 8.2\(4\)= 7.0= 7.0\(0\)= 7.0\(2\)= 7.0\(4\)= 7.0\(5\)= 7.0\(5.2\)= 7.0\(6.7\)= 7.0.1= 7.0.1.4= 7.0.2= 7.0.4
5500 Series Adaptive Security ApplianceHardware / appliance
all versions
Asa 5500Hardware / appliance
all versionsCVSS 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
- None
- Integrity
- None
- Availability
- Complete
AV:N/AC:L/Au:N/C:N/I:N/A:C
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 checksWork through these to decide whether this CVE applies to you.
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Identify Cisco ASA modelLog into the ASA CLI and run 'show version' to confirm the hardware model is ASA 5500 seriesAffected if Device model is Cisco ASA 5500 Series Adaptive Security Appliance or Cisco ASA 5500
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Check ASA software versionRun 'show version' on the ASA CLI and locate the software version number in the outputAffected if Software version is 8.2(4) or earlier, or matches any of these: 7.0, 7.0(0), 7.0(2), 7.0(4), 7.0(5), 7.0(5.2), 7.0(6.7), 7.0.1, 7.0.1.4, 7.0.2, or 7.0.4
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Verify multicast routing is enabledRun 'show running-config multicast' or 'show running-config | include multicast' to check if multicast routing or multicast traffic handling is configuredAffected if Multicast routing or any multicast-related feature is enabled on the device
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Check current connection block usageRun 'show conn count' or 'show resource usage' to view current connection block utilizationAffected if Connection blocks are heavily utilized or approaching exhaustion limits
A Cisco ASA 5500 series device running software version 8.2(4) or earlier with multicast traffic handling enabled is vulnerable to this DoS condition.
Generated from the published advisory. Verify against your own configuration.
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 dataUpgrade Cisco ASA software to a version newer than 8.2(4) to patch the vulnerability. If immediate upgrade is not feasible, consider filtering or rate-limiting inbound multicast traffic at network perimeter as a temporary mitigation.
Fix this in Adaptive Security Appliance Software
Scoped from the published advisory
- Consultation4.0 h
- Implementation4.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,968.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2010-4674 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2010-4674 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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