□ 개요
 o Cisco社는 자사 제품에서 발생하는 취약점을 해결한 보안 업데이트 발표 [1]~[8]

 o 영향받는 버전을 사용 중인 사용자는 해결 방안에 따라 최신 버전으로 업데이트 권고

□ 설명
 o Cisco SD-WAN Software에서 발생하는 권한 상승 취약점(CVE-2022-20775) [1][9]

 o Cisco SD-WAN Software에서 발생하는 권한 상승 취약점(CVE-2022-20818) [1][10]

 o Cisco NX-OS Software에서 발생하는 서비스 거부 취약점(CVE-2026-20010) [2][11]

 o Cisco Nexus 9000 Series Fabric Switches in ACI mode에서 발생하는 서비스 거부 취약점(CVE-2026-20033) [3][12]

 o Cisco Nexus 9000 Series Fabric Switches in ACI mode에서 발생하는 서비스 거부 취약점(CVE-2026-20048) [4][13]

 o Cisco Nexus 3600 Platform Switches, Cisco Nexus 9500-R Series Switching Platforms에서 발생하는 서비스 거부 취약점(CVE-2026-20051) [5][14]

 o Cisco Meeting Management에서 발생하는 임의 파일 업로드 취약점(CVE-2026-20098) [6][15]

 o Cisco TelePresence Collaboration Endpoint (CE) Software, Cisco RoomOS Software에서 발생하는 서비스 거부 취약점(CVE-2026-20119) [7][16]

 o Cisco Catalyst SD-WAN Manager에서 발생하는 권한 상승 취약점(CVE-2026-20126) [8][17]

 o Cisco Catalyst SD-WAN Manager에서 발생하는 정보 유출 취약점(CVE-2026-20128) [8][18]

□ 참고사이트
 [1] https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-priv-E6e8tEdF

 [2] https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n3kn9k_aci_lldp_dos-NdgRrrA3

 [3] https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-cpdos-qLsv6pFD

 [4] https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-dsnmp-cNN39Uh

 [5] https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ether-dos-Kv8YNWZ4

 [6] https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cmm-file-up-kY47n8kK

 [7] https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-tce-roomos-dos-9V9jrC2q

 [8] https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v

 [9] https://nvd.nist.gov/vuln/detail/CVE-2022-20775

 [10] https://nvd.nist.gov/vuln/detail/CVE-2022-20818

 [11] https://nvd.nist.gov/vuln/detail/CVE-2026-20010

 [12] https://nvd.nist.gov/vuln/detail/CVE-2026-20033

 [13] https://nvd.nist.gov/vuln/detail/CVE-2026-20048

 [14] https://nvd.nist.gov/vuln/detail/CVE-2026-20051

 [15] https://nvd.nist.gov/vuln/detail/CVE-2026-20098

 [16] https://nvd.nist.gov/vuln/detail/CVE-2026-20119

 [17] https://nvd.nist.gov/vuln/detail/CVE-2026-20126

 [18] https://nvd.nist.gov/vuln/detail/CVE-2026-20128

 [19] https://sec.cloudapps.cisco.com/security/center/softwarechecker.x