CVE-2020-3373 — Uncontrolled Resource Consumption in Cisco Adaptive Security Appliance Software

CWE-400 — Uncontrolled Resource ConsumptionCWE-401 — Missing Release of Memory after Effective Lifetime4 documents4 sources
Severity
8.6HIGHNVD
EPSS
1.9%
top 16.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Cisco Adaptive Security Appliance SoftwareCisco Adaptive Security Appliance SoftwareCisco Firepower Threat Defense
Timeline
PublishedOct 21
Latest updateMay 24

Description

A vulnerability in the IP fragment-handling implementation of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a memory leak on an affected device. This memory leak could prevent traffic from being processed through the device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper error handling when specific failures occur during IP fragment reassembly. An …

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 3.9 | Impact: 4.0

Affected Packages3 packages

🔴Vulnerability Details

2
GHSA
GHSA-cjgx-rm4j-vw44: A vulnerability in the IP fragment-handling implementation of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD↗2022-05-24
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CVEList
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software IP Fragment Memory Leak Vulnerability↗2020-10-21
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📋Vendor Advisories

1
Cisco
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software IP Fragment Memory Leak Vulnerability↗2020-10-21
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CVE-2020-3373 — Uncontrolled Resource Consumption | cvebase