CVE-2023-20200 (GCVE-0-2023-20200)
Vulnerability from cvelistv5 – Published: 2023-08-23 18:20 – Updated: 2025-07-01 13:57
VLAI?
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.
Severity ?
7.7 (High)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco Unified Computing System (Managed) |
Affected:
3.1(1e)
Affected: 3.1(1g) Affected: 3.1(1h) Affected: 3.1(1k) Affected: 3.1(1l) Affected: 3.1(2b) Affected: 3.1(2c) Affected: 3.1(2e) Affected: 3.1(2f) Affected: 3.1(2g) Affected: 3.1(2h) Affected: 3.1(3a) Affected: 3.1(3b) Affected: 3.1(3c) Affected: 3.1(3d) Affected: 3.1(3e) Affected: 3.1(3f) Affected: 3.1(3h) Affected: 3.1(3j) Affected: 3.1(3k) Affected: 3.1(2d) Affected: 3.1(3l) Affected: 3.2(1d) Affected: 3.2(2b) Affected: 3.2(2c) Affected: 3.2(2d) Affected: 3.2(2e) Affected: 3.2(2f) Affected: 3.2(3a) Affected: 3.2(3b) Affected: 3.2(3d) Affected: 3.2(3e) Affected: 3.2(3g) Affected: 3.2(3h) Affected: 3.2(3i) Affected: 3.2(3j) Affected: 3.2(3k) Affected: 3.2(3l) Affected: 3.2(3n) Affected: 3.2(3o) Affected: 3.2(3p) Affected: 4.0(1a) Affected: 4.0(1b) Affected: 4.0(1c) Affected: 4.0(1d) Affected: 4.0(2a) Affected: 4.0(2b) Affected: 4.0(2d) Affected: 4.0(2e) Affected: 4.0(4b) Affected: 4.0(4c) Affected: 4.0(4d) Affected: 4.0(4e) Affected: 4.0(4f) Affected: 4.0(4g) Affected: 4.0(4h) Affected: 4.0(4a) Affected: 4.0(4i) Affected: 4.0(4k) Affected: 4.0(4l) Affected: 4.0(4m) Affected: 4.0(4n) Affected: 4.0(4o) Affected: 4.1(1a) Affected: 4.1(1b) Affected: 4.1(1c) Affected: 4.1(2a) Affected: 4.1(1d) Affected: 4.1(1e) Affected: 4.1(2b) Affected: 4.1(3a) Affected: 4.1(3b) Affected: 4.1(2c) Affected: 4.1(3d) Affected: 4.1(3c) Affected: 4.1(3e) Affected: 4.1(3f) Affected: 4.1(3h) Affected: 4.1(3i) Affected: 4.1(3j) Affected: 4.1(3k) Affected: 4.2(1d) Affected: 4.2(1c) Affected: 4.2(1f) Affected: 4.2(1i) Affected: 4.2(1k) Affected: 4.2(1l) Affected: 4.2(1m) Affected: 4.2(2a) Affected: 4.2(2c) Affected: 4.2(1n) Affected: 4.2(2d) Affected: 4.2(3b) Affected: 4.2(2e) |
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"id": "CVE-2023-20200",
"lastModified": "2024-11-21T07:40:48.977",
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\"affected\", \"version\": \"4.0(4n)\"}, {\"status\": \"affected\", \"version\": \"4.0(4o)\"}, {\"status\": \"affected\", \"version\": \"4.1(1a)\"}, {\"status\": \"affected\", \"version\": \"4.1(1b)\"}, {\"status\": \"affected\", \"version\": \"4.1(1c)\"}, {\"status\": \"affected\", \"version\": \"4.1(2a)\"}, {\"status\": \"affected\", \"version\": \"4.1(1d)\"}, {\"status\": \"affected\", \"version\": \"4.1(1e)\"}, {\"status\": \"affected\", \"version\": \"4.1(2b)\"}, {\"status\": \"affected\", \"version\": \"4.1(3a)\"}, {\"status\": \"affected\", \"version\": \"4.1(3b)\"}, {\"status\": \"affected\", \"version\": \"4.1(2c)\"}, {\"status\": \"affected\", \"version\": \"4.1(3d)\"}, {\"status\": \"affected\", \"version\": \"4.1(3c)\"}, {\"status\": \"affected\", \"version\": \"4.1(3e)\"}, {\"status\": \"affected\", \"version\": \"4.1(3f)\"}, {\"status\": \"affected\", \"version\": \"4.1(3h)\"}, {\"status\": \"affected\", \"version\": \"4.1(3i)\"}, {\"status\": \"affected\", \"version\": \"4.1(3j)\"}, {\"status\": \"affected\", \"version\": \"4.1(3k)\"}, {\"status\": \"affected\", \"version\": \"4.2(1d)\"}, {\"status\": \"affected\", \"version\": \"4.2(1c)\"}, {\"status\": \"affected\", \"version\": \"4.2(1f)\"}, {\"status\": \"affected\", \"version\": \"4.2(1i)\"}, {\"status\": \"affected\", \"version\": \"4.2(1k)\"}, {\"status\": \"affected\", \"version\": \"4.2(1l)\"}, {\"status\": \"affected\", \"version\": \"4.2(1m)\"}, {\"status\": \"affected\", \"version\": \"4.2(2a)\"}, {\"status\": \"affected\", \"version\": \"4.2(2c)\"}, {\"status\": \"affected\", \"version\": \"4.2(1n)\"}, {\"status\": \"affected\", \"version\": \"4.2(2d)\"}, {\"status\": \"affected\", \"version\": \"4.2(3b)\"}, {\"status\": \"affected\", \"version\": \"4.2(2e)\"}]}, {\"vendor\": \"Cisco\", \"product\": \"Cisco Firepower Extensible Operating System (FXOS)\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.2.1.63\"}, {\"status\": \"affected\", \"version\": \"2.2.1.66\"}, {\"status\": \"affected\", \"version\": \"2.2.1.70\"}, {\"status\": \"affected\", \"version\": \"2.2.2.17\"}, {\"status\": \"affected\", \"version\": \"2.2.2.19\"}, {\"status\": \"affected\", \"version\": \"2.2.2.24\"}, {\"status\": \"affected\", \"version\": \"2.2.2.26\"}, {\"status\": \"affected\", \"version\": \"2.2.2.28\"}, {\"status\": \"affected\", \"version\": \"2.2.2.54\"}, {\"status\": \"affected\", \"version\": \"2.2.2.60\"}, {\"status\": \"affected\", \"version\": \"2.3.1.93\"}, {\"status\": \"affected\", \"version\": \"2.3.1.91\"}, {\"status\": \"affected\", \"version\": \"2.3.1.88\"}, {\"status\": \"affected\", \"version\": \"2.3.1.75\"}, {\"status\": \"affected\", \"version\": \"2.3.1.73\"}, {\"status\": \"affected\", \"version\": \"2.3.1.66\"}, {\"status\": \"affected\", \"version\": \"2.3.1.58\"}, {\"status\": \"affected\", \"version\": \"2.3.1.56\"}]}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fp-ucsfi-snmp-dos-qtv69NAO\", \"name\": \"cisco-sa-fp-ucsfi-snmp-dos-qtv69NAO\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\\r\\n\\r 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.\\r\\n\\r 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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-835\", \"description\": \"Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2024-01-25T16:57:56.220Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-20200\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-07-01T13:57:36.701Z\", \"dateReserved\": \"2022-10-27T18:47:50.365Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2023-08-23T18:20:09.900Z\", \"assignerShortName\": \"cisco\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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