CVE-2023-20213 (GCVE-0-2023-20213)
Vulnerability from cvelistv5 – Published: 2023-11-01 16:58 – Updated: 2025-06-12 14:37
VLAI?
Summary
A vulnerability in the CDP processing feature of Cisco ISE could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition of the CDP process on an affected device. This vulnerability is due to insufficient bounds checking when an affected device processes CDP traffic. An attacker could exploit this vulnerability by sending crafted CDP traffic to the device. A successful exploit could cause the CDP process to crash, impacting neighbor discovery and the ability of Cisco ISE to determine the reachability of remote devices. After a crash, the CDP process must be manually restarted using the cdp enable command in interface configuration mode.
Severity ?
4.3 (Medium)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Identity Services Engine Software |
Affected:
2.6.0
Affected: 2.6.0 p1 Affected: 2.6.0 p2 Affected: 2.6.0 p3 Affected: 2.6.0 p5 Affected: 2.6.0 p6 Affected: 2.6.0 p7 Affected: 2.6.0 p8 Affected: 2.6.0 p9 Affected: 2.6.0 p10 Affected: 2.6.0 p11 Affected: 2.6.0 p12 Affected: 2.7.0 Affected: 2.7.0 p1 Affected: 2.7.0 p2 Affected: 2.7.0 p3 Affected: 2.7.0 p4 Affected: 2.7.0 p5 Affected: 2.7.0 p6 Affected: 2.7.0 p7 Affected: 2.7.0 p9 Affected: 3.0.0 Affected: 3.0.0 p1 Affected: 3.0.0 p2 Affected: 3.0.0 p3 Affected: 3.0.0 p4 Affected: 3.0.0 p5 Affected: 3.0.0 p6 Affected: 3.1.0 Affected: 3.1.0 p1 Affected: 3.1.0 p3 Affected: 3.1.0 p4 Affected: 3.1.0 p5 Affected: 3.1.0 p7 Affected: 3.2.0 Affected: 3.2.0 p1 |
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"id": "CVE-2023-20213",
"lastModified": "2024-11-21T07:40:54.080",
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"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-file-upload-FceLP4xs\", \"name\": \"cisco-sa-ise-file-upload-FceLP4xs\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T09:05:35.481Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-20213\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-06-12T14:37:26.733250Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-06-12T14:37:40.791Z\"}}], \"cna\": {\"source\": {\"defects\": [\"CSCwc71225\"], \"advisory\": \"cisco-sa-ise-file-upload-FceLP4xs\", \"discovery\": \"INTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.3, \"attackVector\": \"ADJACENT_NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"Cisco\", \"product\": \"Cisco Identity Services Engine Software\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.0\"}, {\"status\": \"affected\", \"version\": \"2.6.0 p1\"}, {\"status\": \"affected\", \"version\": \"2.6.0 p2\"}, {\"status\": \"affected\", \"version\": \"2.6.0 p3\"}, {\"status\": \"affected\", \"version\": \"2.6.0 p5\"}, {\"status\": \"affected\", \"version\": \"2.6.0 p6\"}, {\"status\": \"affected\", \"version\": \"2.6.0 p7\"}, {\"status\": \"affected\", \"version\": \"2.6.0 p8\"}, {\"status\": \"affected\", \"version\": \"2.6.0 p9\"}, {\"status\": \"affected\", \"version\": \"2.6.0 p10\"}, {\"status\": \"affected\", \"version\": \"2.6.0 p11\"}, {\"status\": \"affected\", \"version\": \"2.6.0 p12\"}, {\"status\": \"affected\", \"version\": \"2.7.0\"}, {\"status\": \"affected\", \"version\": \"2.7.0 p1\"}, {\"status\": \"affected\", \"version\": \"2.7.0 p2\"}, {\"status\": \"affected\", \"version\": \"2.7.0 p3\"}, {\"status\": \"affected\", \"version\": \"2.7.0 p4\"}, {\"status\": \"affected\", \"version\": \"2.7.0 p5\"}, {\"status\": \"affected\", \"version\": \"2.7.0 p6\"}, {\"status\": \"affected\", \"version\": \"2.7.0 p7\"}, {\"status\": \"affected\", \"version\": \"2.7.0 p9\"}, {\"status\": \"affected\", \"version\": \"3.0.0\"}, {\"status\": \"affected\", \"version\": \"3.0.0 p1\"}, {\"status\": \"affected\", \"version\": \"3.0.0 p2\"}, {\"status\": \"affected\", \"version\": \"3.0.0 p3\"}, {\"status\": \"affected\", \"version\": \"3.0.0 p4\"}, {\"status\": \"affected\", \"version\": \"3.0.0 p5\"}, {\"status\": \"affected\", \"version\": \"3.0.0 p6\"}, {\"status\": \"affected\", \"version\": \"3.1.0\"}, {\"status\": \"affected\", \"version\": \"3.1.0 p1\"}, {\"status\": \"affected\", \"version\": \"3.1.0 p3\"}, {\"status\": \"affected\", \"version\": \"3.1.0 p4\"}, {\"status\": \"affected\", \"version\": \"3.1.0 p5\"}, {\"status\": \"affected\", \"version\": \"3.1.0 p7\"}, {\"status\": \"affected\", \"version\": \"3.2.0\"}, {\"status\": \"affected\", \"version\": \"3.2.0 p1\"}]}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-file-upload-FceLP4xs\", \"name\": \"cisco-sa-ise-file-upload-FceLP4xs\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the CDP processing feature of Cisco ISE could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition of the CDP process on an affected device. 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"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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