Cisco Systems Inc. Cisco IOS XE SD-WAN

Name: Cisco Systems Inc. Cisco IOS XE SD-WAN
Brand: Cisco Systems Inc.

productRU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

by severity

5critical12high10medium0low

updated 2026-10-28

vulnerabilities (31)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2025-20352US	—OT critical	41.5% (99th)	KEV	no fix	2025-09-24	23 versions
CVE-2020-3375US	critical9.8	3.90% (90th)	—	no fix	2020-07-31	5 versions
CVE-2021-34727US	critical9.8	2.63% (85th)	—	no fix	2021-09-23	—
CVE-2021-40114US	high7.5	2.47% (84th)	—	no fix	2021-10-27	3 versions
CVE-2020-3299US	medium5.8	2.31% (83rd)	—	no fix	2020-10-21	2 versions
CVE-2021-1300US	critical9.8	2.16% (82nd)	—	no fix	2021-01-20	≤ 16.12.4
CVE-2021-1301US	critical9.8	2.13% (82nd)	—	no fix	2021-01-20	≤ 16.12.4
CVE-2021-1274US	high8.6	1.92% (80th)	—	no fix	2021-01-20	≤ 16.12.4
CVE-2021-1273US	high8.6	1.90% (80th)	—	no fix	2021-01-20	≤ 16.12.4
CVE-2021-1278US	high7.5	1.68% (77th)	—	no fix	2021-01-20	≤ 16.12.4
CVE-2021-1431US	high7.5	1.66% (77th)	—	no fix	2021-03-24	4 versions
CVE-2020-3444US	high7.5	1.49% (74th)	—	no fix	2020-11-06	≤ 16.12.2r
CVE-2021-1279US	high8.6	1.40% (72nd)	—	no fix	2021-01-20	≤ 16.12.4
CVE-2021-1241US	high7.5	1.40% (72nd)	—	no fix	2021-01-20	≤ 16.12.4
CVE-2022-20655US	—	0.83% (57th)	—	no fix	2024-11-15	3 versions
CVE-2025-20221US	critical9.1	0.64% (51st)	—	no fix	2025-05-07	5 versions
CVE-2024-20373US	—	0.50% (43rd)	—	no fix	2024-11-15	2 versions
CVE-2020-3216US	medium6.8	0.43% (38th)	—	no fix	2020-06-03	7 versions
CVE-2025-20151US	—	0.41% (35th)	—	no fix	2025-05-07	23 versions
CVE-2021-34729US	medium6.7	0.36% (29th)	—	no fix	2021-09-23	≤ 17.3.1a
CVE-2021-34725US	medium6.7	0.36% (29th)	—	no fix	2021-09-23	≤ 17.2.1r
CVE-2021-1432US	high7.3	0.35% (29th)	—	no fix	2021-03-24	3 versions
CVE-2019-1950US	high8.4OT elevated	0.33% (26th)	—	no fix	2020-02-19	≤ 16.12.1
CVE-2021-1436US	medium4.4	0.32% (25th)	—	no fix	2021-03-24	≤ 16.12
CVE-2021-1281US	medium6.7	0.29% (21st)	—	no fix	2021-03-24	8 versions
CVE-2021-34724US	medium6.0	0.27% (18th)	—	no fix	2021-09-23	≤ 17.3.1a
CVE-2021-1371US	medium6.6	0.26% (18th)	—	no fix	2021-03-24	31 versions
CVE-2021-1612US	high7.1	0.25% (16th)	—	no fix	2021-09-23	≤ 17.3.4
CVE-2021-34723US	medium6.7	0.24% (16th)	—	no fix	2021-09-23	≤ 17.3.1a
CVE-2021-1434US	medium6.0	0.24% (15th)	—	no fix	2021-03-24	≤ 17.2.0
CVE-2023-20035US	high7.8	0.22% (13th)	—	no fix	2023-03-23	3 versions

weaknesses (8)

The flaw types (CWEs) most of these CVEs share.

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer8 CVEs
CWE-20Improper Input Validation7 CVEs
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')3 CVEs
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')2 CVEs
CWE-284Improper Access Control2 CVEs
CWE-59Improper Link Resolution Before File Access ('Link Following')2 CVEs
CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')2 CVEs
CWE-1188Initialization of a Resource with an Insecure Default1 CVEs

sources (1)

Which sources assert this record, and when.

RUBDU (FSTEC Data Security Threats Database)31 CVEs

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