Cisco 4000 Series Integrated Services Routers

17 CVEs · 1 KEV · Release check

CVE	Advisory	Fix	EPSS	CVSS		Updated
CVE-2025-20352	cisco-sa-snmp-x4LPhte	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.10.1 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275047:277455) Cisco IOS XE Catalyst SD-WAN 16.10.2 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275048:277455) + 21 more raw products CSAF fetched 2026-07-20 (19 hours ago) Advisory Cisco source	37.61%	-	KEV	2025-10-06 (9 months ago)
CVE-2020-3299	cisco-sa-ftd-bypass-3eCfd24j	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco 4000 Series Integrated Services Routers (CSAFPID-261519) CSAF fetched 2026-07-20 (14 hours ago) Advisory Cisco source	2.31%	-		2020-10-21 (5 years ago)
CVE-2021-1274	cisco-sa-sdwan-dosmulti-48jJuEUP	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.10.1 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275047:277455) Cisco IOS XE Catalyst SD-WAN 16.10.2 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275048:277455) + 17 more raw products CSAF fetched 2026-07-19 (19 hours ago) Advisory Cisco source	1.89%	-		2021-02-02 (5 years ago)
CVE-2021-1619	cisco-sa-aaa-Yx47ZT8Q	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.10.1 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275047:277455) Cisco IOS XE Catalyst SD-WAN 16.10.2 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275048:277455) + 21 more raw products CSAF fetched 2026-07-20 (18 hours ago) Advisory Cisco source	1.76%	-		2021-09-22 (4 years ago)
CVE-2021-1278	cisco-sa-sdwan-dosmulti-48jJuEUP	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.10.1 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275047:277455) Cisco IOS XE Catalyst SD-WAN 16.10.2 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275048:277455) + 13 more raw products CSAF fetched 2026-07-19 (19 hours ago) Advisory Cisco source	1.66%	-		2021-02-02 (5 years ago)
CVE-2021-1625	cisco-sa-zbfw-pP9jfzwL	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.10.1 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275047:277455) Cisco IOS XE Catalyst SD-WAN 16.10.2 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275048:277455) + 21 more raw products CSAF fetched 2026-07-20 (18 hours ago) Advisory Cisco source	0.91%	-		2021-09-22 (4 years ago)
CVE-2019-1649	cisco-sa-20190513-secureboot	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco 4000 Series Integrated Services Routers (CSAFPID-261519) CSAF fetched 2026-07-19 (21 hours ago) Advisory Cisco source	0.61%	-		2019-11-20 (6 years ago)
CVE-2025-20151	cisco-sa-snmpv3-qKEYvzsy	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.10.1 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275047:277455) Cisco IOS XE Catalyst SD-WAN 16.10.2 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275048:277455) + 21 more raw products CSAF fetched 2026-07-20 (19 hours ago) Advisory Cisco source	0.33%	-		2025-05-07 (1 year ago)
CVE-2021-1529	cisco-sa-sd-wan-rhpbE34A	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.10.1 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275047:277455) Cisco IOS XE Catalyst SD-WAN 16.10.2 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275048:277455) + 21 more raw products CSAF fetched 2026-07-20 (18 hours ago) Advisory Cisco source	0.30%	-		2022-02-17 (4 years ago)
CVE-2021-1371	cisco-sa-sdwan-esc-rSNVvTf9	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.10.1 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275047:277455) Cisco IOS XE Catalyst SD-WAN 16.10.2 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275048:277455) + 20 more raw products CSAF fetched 2026-07-20 (18 hours ago) Advisory Cisco source	0.25%	-		2021-03-24 (5 years ago)
CVE-2021-1612	cisco-sa-sd-wan-GjR5pGOm	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.10.1 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275047:277455) Cisco IOS XE Catalyst SD-WAN 16.10.2 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275048:277455) + 21 more raw products CSAF fetched 2026-07-20 (18 hours ago) Advisory Cisco source	0.25%	-		2021-09-22 (4 years ago)
CVE-2023-20035	cisco-sa-ios-xe-sdwan-VQAhEjYw	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.10.1 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275047:277455) Cisco IOS XE Catalyst SD-WAN 16.10.2 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275048:277455) + 21 more raw products CSAF fetched 2026-07-20 (18 hours ago) Advisory Cisco source	0.22%	-		2023-03-22 (3 years ago)
CVE-2022-20850	cisco-sa-arb-file-delete-VB2rVcQv	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.9.1 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275043:277455) Cisco IOS XE Catalyst SD-WAN 16.9.2 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275044:277455) + 1 more raw product CSAF fetched 2026-07-19 (19 hours ago) Advisory Cisco source	0.20%	-		2022-09-28 (3 years ago)
CVE-2022-20655	cisco-sa-cli-cmdinj-4MttWZPB	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.10.1 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275047:277455) Cisco IOS XE Catalyst SD-WAN 16.11.1a when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275053:277455) + 6 more raw products CSAF fetched 2026-07-19 (20 hours ago) Advisory Cisco source	-	-		2022-01-19 (4 years ago)
CVE-2021-34729	cisco-sa-ioxesdwan-clicmdinj-7bYX5k3	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.12.5 when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-281296:277455) CSAF fetched 2026-07-20 (18 hours ago) Advisory Cisco source	-	-		2021-09-22 (4 years ago)
CVE-2021-34727	cisco-sa-iosxesdwan-rbuffover-vE2OB6tp	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.11.1a when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-275053:277455) Cisco IOS XE Catalyst SD-WAN 16.11.1b when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-280951:277455) + 6 more raw products CSAF fetched 2026-07-20 (18 hours ago) Advisory Cisco source	-	-		2021-09-22 (4 years ago)
CVE-2021-34725	cisco-sa-sdwan-maapi-privesc-KSUg7QSS	Advisory fix Source details Source Cisco CSAF Status Known affected Raw product Cisco IOS XE Catalyst SD-WAN 16.11.1b when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-280951:277455) Cisco IOS XE Catalyst SD-WAN 16.11.1f when installed on Cisco 4000 Series Integrated Services Routers (CSAFPID-280953:277455) + 5 more raw products CSAF fetched 2026-07-20 (18 hours ago) Advisory Cisco source	-	-		2021-09-22 (4 years ago)