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CVE Record

CVE-2018-0410: A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliances...

A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliances could allow an unauthenticated, remote attacker to exhaust system memory and cause a denial of service (DoS) condition on an affected system. The vulnerability exists because the affected software improperly manages memory resources for TCP connections to a targeted device. An attacker could exploit this vulnerability by establishing a high number of TCP connections to the data interface of an affected device via IPv4 or IPv6. A successful exploit could allow the attacker to exhaust system memory, which could cause the system to stop processing new connections and result in a DoS condition. System recovery may require manual intervention. Cisco Bug IDs: CSCvf36610.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This issue can let a remote, unauthenticated attacker make a Cisco Web Security Appliance run out of memory by opening many TCP connections. If exploited, the appliance may stop accepting new connections, disrupting web proxy service and possibly requiring manual recovery. Exposure is most relevant where Cisco Web Security Appliances run affected AsyncOS software and their data interfaces can receive large volumes of TCP connections from untrusted networks. Prioritize remediation for internet-facing or broadly reachable proxy appliances because failure can interrupt user web access and security inspection. Treat as availability risk, not evidence of compromise. Mitigation focus: Review Cisco advisory cisco-sa-20180815-wsa-dos for affected releases and vendor fixes.; Apply Cisco-provided fixed software or guidance after confirming appliance version exposure.; Limit untrusted reachability to WSA data interfaces where network architecture permits..

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CVE-2018-0410 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Cisco Systems, Inc.AsyncOS Software for Cisco Web Security AppliancesunspecifiedListed
Weakness

CWE details

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CWE-400 · source CWE mapping

Uncontrolled Resource Consumption

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