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CVE-2018-0296: Cisco Adaptive Security Appliance (ASA) Denial-of-Service Vulnerability

criticalknown exploitedpublic exploitCVE-2018-0296
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Cisco Adaptive Security Appliance (ASA) contains an improper input validation vulnerability with HTTP URLs. Exploitation could allow an attacker to cause a denial-of-service (DoS) condition or information disclosure.

CSIRTS triage

vendor: Ciscoproduct: Adaptive Security Appliance (ASA)Denial of serviceInformation disclosure
What
The vulnerability allows for denial-of-service conditions or information disclosure due to improper input validation.
Who is affected
Users of Cisco Adaptive Security Appliance (ASA) are affected.
Urgency
Remediation is urgent as the vulnerability is actively exploited and critical in nature.
Action
Install the latest updates from Cisco.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-0296

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2018-0296coverage & exploitation statusNVD · CVE.org

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