CVE-2023-20200

Summary

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.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Unified Computing System (Managed)3.1(1e)affected
CiscoCisco Unified Computing System (Managed)3.1(1g)affected
CiscoCisco Unified Computing System (Managed)3.1(1h)affected
CiscoCisco Unified Computing System (Managed)3.1(1k)affected
CiscoCisco Unified Computing System (Managed)3.1(1l)affected
CiscoCisco Unified Computing System (Managed)3.1(2b)affected
CiscoCisco Unified Computing System (Managed)3.1(2c)affected
CiscoCisco Unified Computing System (Managed)3.1(2e)affected
CiscoCisco Unified Computing System (Managed)3.1(2f)affected
CiscoCisco Unified Computing System (Managed)3.1(2g)affected
CiscoCisco Unified Computing System (Managed)3.1(2h)affected
CiscoCisco Unified Computing System (Managed)3.1(3a)affected
CiscoCisco Unified Computing System (Managed)3.1(3b)affected
CiscoCisco Unified Computing System (Managed)3.1(3c)affected
CiscoCisco Unified Computing System (Managed)3.1(3d)affected
CiscoCisco Unified Computing System (Managed)3.1(3e)affected
CiscoCisco Unified Computing System (Managed)3.1(3f)affected
CiscoCisco Unified Computing System (Managed)3.1(3h)affected
CiscoCisco Unified Computing System (Managed)3.1(3j)affected
CiscoCisco Unified Computing System (Managed)3.1(3k)affected
CiscoCisco Unified Computing System (Managed)3.1(2d)affected
CiscoCisco Unified Computing System (Managed)3.1(3l)affected
CiscoCisco Unified Computing System (Managed)3.2(1d)affected
CiscoCisco Unified Computing System (Managed)3.2(2b)affected
CiscoCisco Unified Computing System (Managed)3.2(2c)affected
CiscoCisco Unified Computing System (Managed)3.2(2d)affected
CiscoCisco Unified Computing System (Managed)3.2(2e)affected
CiscoCisco Unified Computing System (Managed)3.2(2f)affected
CiscoCisco Unified Computing System (Managed)3.2(3a)affected
CiscoCisco Unified Computing System (Managed)3.2(3b)affected
CiscoCisco Unified Computing System (Managed)3.2(3d)affected
CiscoCisco Unified Computing System (Managed)3.2(3e)affected
CiscoCisco Unified Computing System (Managed)3.2(3g)affected
CiscoCisco Unified Computing System (Managed)3.2(3h)affected
CiscoCisco Unified Computing System (Managed)3.2(3i)affected
CiscoCisco Unified Computing System (Managed)3.2(3j)affected
CiscoCisco Unified Computing System (Managed)3.2(3k)affected
CiscoCisco Unified Computing System (Managed)3.2(3l)affected
CiscoCisco Unified Computing System (Managed)3.2(3n)affected
CiscoCisco Unified Computing System (Managed)3.2(3o)affected
CiscoCisco Unified Computing System (Managed)3.2(3p)affected
CiscoCisco Unified Computing System (Managed)4.0(1a)affected
CiscoCisco Unified Computing System (Managed)4.0(1b)affected
CiscoCisco Unified Computing System (Managed)4.0(1c)affected
CiscoCisco Unified Computing System (Managed)4.0(1d)affected
CiscoCisco Unified Computing System (Managed)4.0(2a)affected
CiscoCisco Unified Computing System (Managed)4.0(2b)affected
CiscoCisco Unified Computing System (Managed)4.0(2d)affected
CiscoCisco Unified Computing System (Managed)4.0(2e)affected
CiscoCisco Unified Computing System (Managed)4.0(4b)affected
CiscoCisco Unified Computing System (Managed)4.0(4c)affected
CiscoCisco Unified Computing System (Managed)4.0(4d)affected
CiscoCisco Unified Computing System (Managed)4.0(4e)affected
CiscoCisco Unified Computing System (Managed)4.0(4f)affected
CiscoCisco Unified Computing System (Managed)4.0(4g)affected
CiscoCisco Unified Computing System (Managed)4.0(4h)affected
CiscoCisco Unified Computing System (Managed)4.0(4a)affected
CiscoCisco Unified Computing System (Managed)4.0(4i)affected
CiscoCisco Unified Computing System (Managed)4.0(4k)affected
CiscoCisco Unified Computing System (Managed)4.0(4l)affected
CiscoCisco Unified Computing System (Managed)4.0(4m)affected
CiscoCisco Unified Computing System (Managed)4.0(4n)affected
CiscoCisco Unified Computing System (Managed)4.0(4o)affected
CiscoCisco Unified Computing System (Managed)4.1(1a)affected
CiscoCisco Unified Computing System (Managed)4.1(1b)affected
CiscoCisco Unified Computing System (Managed)4.1(1c)affected
CiscoCisco Unified Computing System (Managed)4.1(2a)affected
CiscoCisco Unified Computing System (Managed)4.1(1d)affected
CiscoCisco Unified Computing System (Managed)4.1(1e)affected
CiscoCisco Unified Computing System (Managed)4.1(2b)affected
CiscoCisco Unified Computing System (Managed)4.1(3a)affected
CiscoCisco Unified Computing System (Managed)4.1(3b)affected
CiscoCisco Unified Computing System (Managed)4.1(2c)affected
CiscoCisco Unified Computing System (Managed)4.1(3d)affected
CiscoCisco Unified Computing System (Managed)4.1(3c)affected
CiscoCisco Unified Computing System (Managed)4.1(3e)affected
CiscoCisco Unified Computing System (Managed)4.1(3f)affected
CiscoCisco Unified Computing System (Managed)4.1(3h)affected
CiscoCisco Unified Computing System (Managed)4.1(3i)affected
CiscoCisco Unified Computing System (Managed)4.1(3j)affected
CiscoCisco Unified Computing System (Managed)4.1(3k)affected
CiscoCisco Unified Computing System (Managed)4.2(1d)affected
CiscoCisco Unified Computing System (Managed)4.2(1c)affected
CiscoCisco Unified Computing System (Managed)4.2(1f)affected
CiscoCisco Unified Computing System (Managed)4.2(1i)affected
CiscoCisco Unified Computing System (Managed)4.2(1k)affected
CiscoCisco Unified Computing System (Managed)4.2(1l)affected
CiscoCisco Unified Computing System (Managed)4.2(1m)affected
CiscoCisco Unified Computing System (Managed)4.2(2a)affected
CiscoCisco Unified Computing System (Managed)4.2(2c)affected
CiscoCisco Unified Computing System (Managed)4.2(1n)affected
CiscoCisco Unified Computing System (Managed)4.2(2d)affected
CiscoCisco Unified Computing System (Managed)4.2(3b)affected
CiscoCisco Unified Computing System (Managed)4.2(2e)affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.2.1.63affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.2.1.66affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.2.1.70affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.2.2.17affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.2.2.19affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.2.2.24affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.2.2.26affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.2.2.28affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.2.2.54affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.2.2.60affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.3.1.93affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.3.1.91affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.3.1.88affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.3.1.75affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.3.1.73affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.3.1.66affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.3.1.58affected
CiscoCisco Firepower Extensible Operating System (FXOS)2.3.1.56affected

Weaknesses

  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References