CVE-2023-20200

Description

A vulnerability in the Simple Network Management Protocol (SNMP) service of Cisco FXOS Software for Firepower 4100 Series and Firepower 9300 Security Appliances and of Cisco UCS 6300 Series Fabric Interconnects could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to the improper handling of specific SNMP requests. An attacker could exploit this vulnerability by sending a crafted SNMP request to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Note: This vulnerability affects all supported SNMP versions. To exploit this vulnerability through SNMPv2c or earlier, an attacker must know the SNMP community string that is configured on an affected device. To exploit this vulnerability through SNMPv3, the attacker must have valid credentials for an SNMP user who is configured on the affected device.

Categories

7.7
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.40%
Vendor Advisory cisco.com
Affected: Cisco Cisco Unified Computing System (Managed)
Affected: Cisco Cisco Firepower Extensible Operating System (FXOS)
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-20200?
CVE-2023-20200 has been scored as a high severity vulnerability.
How to fix CVE-2023-20200?
To fix CVE-2023-20200, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-20200 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-20200 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-20200?
CVE-2023-20200 affects Cisco Cisco Unified Computing System (Managed), Cisco Cisco Firepower Extensible Operating System (FXOS).
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