CVE Explorer
CVE-2026-20110
A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability exists because incorrect privileges are associated with the start maintenance command. An attacker could exploit this vulnerability by accessing the management CLI of the affected device as a low-privileged user and using the start maintenance command. A successful exploit could allow the attacker to put the dev
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"Cisco IOS XE Software","vendor":"Cisco","versions":[{"status":"affected","version":"16.6.1"},{"status":"affected","version":"16.6.2"},{"status":"affected","version":"16.6.3"},{"status":"affected","version":"16.6.4"},{"status":"affected","version":"16.6.5"},{"status":"affected","version":"16.6.4a"},{"status":"affected","version":"16.6.5a"},{"status":"affected","version":"16.6.6"},{"status":"affected","version":"16.6.7"},{"status":"affected","version":"16.6.8"},{"status":"affected","version":"16.6.9"},{"status":"affected","version":"16.6.10"},{"status":"affected","version":"16.7.1"},…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:8455b4a11db5a114a76d0e69c9d0a3874ac40cef379afa22b5023148c719ad7b · sha256:ab3c34221d1207b5… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:8455b4a11db5a114a76d0e69c9d0a3874ac40cef379afa22b5023148c719ad7b · sha256:ab3c34221d1207b5… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-266","description":"Incorrect Privilege Assignment","lang":"en","type":"cwe"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:8455b4a11db5a114a76d0e69c9d0a3874ac40cef379afa22b5023148c719ad7b · sha256:ab3c34221d1207b5… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"cisco-sa-iosxe-mntc-dos-LZweQcyq","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-mntc-dos-LZweQcyq"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:8455b4a11db5a114a76d0e69c9d0a3874ac40cef379afa22b5023148c719ad7b · sha256:ab3c34221d1207b5… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.