7.5

CVE-2022-20685

A vulnerability in the Modbus preprocessor of the Snort detection engine could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to an integer overflow while processing Modbus traffic. An attacker could exploit this vulnerability by sending crafted Modbus traffic through an affected device. A successful exploit could allow the attacker to cause the Snort process to hang, causing traffic inspection to stop.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

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Data is provided by the National Vulnerability Database (NVD)
CiscoCyber Vision Version3.0.0
CiscoCyber Vision Version3.0.1
CiscoCyber Vision Version3.0.2
CiscoCyber Vision Version3.0.3
CiscoCyber Vision Version3.0.4
CiscoCyber Vision Version3.0.5
CiscoCyber Vision Version3.0.6
CiscoCyber Vision Version3.1.0
CiscoCyber Vision Version3.1.1
CiscoCyber Vision Version3.1.2
CiscoCyber Vision Version3.2.0
CiscoCyber Vision Version3.2.1
CiscoCyber Vision Version3.2.2
CiscoCyber Vision Version3.2.3
CiscoCyber Vision Version3.2.4
CiscoCyber Vision Version4.0.0
CiscoCyber Vision Version4.0.1
CiscoFirepower Threat Defense Version6.2.3
CiscoFirepower Threat Defense Version6.2.3.1
CiscoFirepower Threat Defense Version6.2.3.2
CiscoFirepower Threat Defense Version6.2.3.3
CiscoFirepower Threat Defense Version6.2.3.4
CiscoFirepower Threat Defense Version6.2.3.5
CiscoFirepower Threat Defense Version6.2.3.6
CiscoFirepower Threat Defense Version6.2.3.7
CiscoFirepower Threat Defense Version6.2.3.8
CiscoFirepower Threat Defense Version6.2.3.9
CiscoFirepower Threat Defense Version6.2.3.10
CiscoFirepower Threat Defense Version6.2.3.11
CiscoFirepower Threat Defense Version6.2.3.12
CiscoFirepower Threat Defense Version6.2.3.13
CiscoFirepower Threat Defense Version6.2.3.14
CiscoFirepower Threat Defense Version6.2.3.15
CiscoFirepower Threat Defense Version6.2.3.16
CiscoFirepower Threat Defense Version6.2.3.17
CiscoFirepower Threat Defense Version6.2.3.18
CiscoFirepower Threat Defense Version6.4.0
CiscoFirepower Threat Defense Version6.4.0.1
CiscoFirepower Threat Defense Version6.4.0.2
CiscoFirepower Threat Defense Version6.4.0.3
CiscoFirepower Threat Defense Version6.4.0.4
CiscoFirepower Threat Defense Version6.4.0.5
CiscoFirepower Threat Defense Version6.4.0.6
CiscoFirepower Threat Defense Version6.4.0.7
CiscoFirepower Threat Defense Version6.4.0.8
CiscoFirepower Threat Defense Version6.4.0.9
CiscoFirepower Threat Defense Version6.4.0.10
CiscoFirepower Threat Defense Version6.4.0.11
CiscoFirepower Threat Defense Version6.4.0.12
CiscoFirepower Threat Defense Version6.6.0
CiscoFirepower Threat Defense Version6.6.0.1
CiscoFirepower Threat Defense Version6.6.1
CiscoFirepower Threat Defense Version6.6.3
CiscoFirepower Threat Defense Version6.6.4
CiscoFirepower Threat Defense Version6.6.5
CiscoFirepower Threat Defense Version6.7.0
CiscoFirepower Threat Defense Version6.7.0.1
CiscoFirepower Threat Defense Version6.7.0.2
CiscoFirepower Threat Defense Version6.7.0.3
CiscoFirepower Threat Defense Version7.0.0
CiscoFirepower Threat Defense Version7.0.0.1
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.59% 0.684
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
psirt@cisco.com 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-190 Integer Overflow or Wraparound

The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.