7.1
CVSSv2

CVE-2021-1403

Published: 24/03/2021 Updated: 07/11/2023
CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 7.4 | Impact Score: 4 | Exploitability Score: 2.8
VMScore: 632
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Vulnerability Summary

A vulnerability in the web UI feature of Cisco IOS XE Software could allow an unauthenticated, remote malicious user to conduct a cross-site WebSocket hijacking (CSWSH) attack and cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient HTTP protections in the web UI on an affected device. An attacker could exploit this vulnerability by persuading an authenticated user of the web UI to follow a crafted link. A successful exploit could allow the malicious user to corrupt memory on the affected device, forcing it to reload and causing a DoS condition.

Vulnerability Trend

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cisco ios xe 16.6.1

cisco ios xe 16.4.1

cisco ios xe 16.3.1

cisco ios xe 16.3.1a

cisco ios xe 16.3.2

cisco ios xe 16.3.3

cisco ios xe 16.5.1

cisco ios xe 16.5.1a

cisco ios xe 16.3.4

cisco ios xe 16.5.1b

cisco ios xe 16.4.2

cisco ios xe 16.3.5b

cisco ios xe 16.3.6

cisco ios xe 16.6.3

cisco ios xe 16.8.1

cisco ios xe 16.7.1

cisco ios xe 16.6.2

cisco ios xe 16.9.1

cisco ios xe 16.3.5

cisco ios xe 16.5.2

cisco ios xe 16.8.1a

cisco ios xe 16.8.1s

cisco ios xe 16.8.1b

cisco ios xe 16.8.2

cisco ios xe 16.7.2

cisco ios xe 16.8.1d

cisco ios xe 16.7.3

cisco ios xe 16.7.1a

cisco ios xe 16.7.1b

cisco ios xe 16.8.1c

cisco ios xe 16.8.1e

cisco ios xe 16.4.3

cisco ios xe 16.9.1s

cisco ios xe 16.9.1c

cisco ios xe 16.9.1b

cisco ios xe 16.5.3

cisco ios xe 16.3.7

cisco ios xe 16.3.8

cisco ios xe 16.9.1d

cisco ios xe 16.6.4s

cisco ios xe 16.6.4

cisco ios xe 16.10.1

cisco ios xe 16.7.4

cisco ios xe 16.9.1a

cisco ios xe 16.9.2a

cisco ios xe 16.9.2

cisco ios xe 16.6.4a

cisco ios xe 16.12.1

cisco ios xe 16.6.5

cisco ios xe 16.11.1

cisco ios xe 17.1.1

cisco ios xe 16.11.1a

cisco ios xe 16.12.1c

cisco ios xe 16.12.1t

cisco ios xe 16.11.2

cisco ios xe 16.12.1s

cisco ios xe 16.12.1a

cisco ios xe 16.12.1x

cisco ios xe 16.11.1c

cisco ios xe 16.11.1b

cisco ios xe 16.11.1s

cisco ios xe 16.12.1w

cisco ios xe 16.10.1s

cisco ios xe 16.10.1d

cisco ios xe 16.9.2s

cisco ios xe 16.6.6

cisco ios xe 16.9.3h

cisco ios xe 16.6.5b

cisco ios xe 16.6.5a

cisco ios xe 16.3.9

cisco ios xe 16.9.3a

cisco ios xe 16.10.1a

cisco ios xe 16.10.1f

cisco ios xe 16.10.1g

cisco ios xe 16.10.2

cisco ios xe 16.9.3

cisco ios xe 16.12.1y

cisco ios xe 16.10.1e

cisco ios xe 16.10.1b

cisco ios xe 16.8.3

cisco ios xe 16.9.3s

cisco ios xe 16.10.1c

cisco ios xe 16.9.4

cisco ios xe 16.12.2

cisco ios xe 16.6.7a

cisco ios xe 16.9.4c

cisco ios xe 16.12.2a

cisco ios xe 16.6.7

cisco ios xe 16.10.3

cisco ios xe 16.12.4

cisco ios xe 16.3.10

cisco ios xe 16.9.5

cisco ios xe 16.9.5f

cisco ios xe 16.6.8

cisco ios xe 16.12.3

cisco ios xe 17.2.1

cisco ios xe 17.1.1s

cisco ios xe 16.12.2t

cisco ios xe 17.1.1a

cisco ios xe 16.12.2s

cisco ios xe 16.12.3a

cisco ios xe 17.1.1t

cisco ios xe 16.3.11

cisco ios xe 17.2.1a

cisco ios xe 3.15.2xbs

cisco ios xe 17.2.1v

cisco ios xe 16.12.1z

cisco ios xe 16.12.3s

cisco ios xe 3.15.1xbs

cisco ios xe 17.2.1r

cisco ios xe 17.1.2

cisco ios xe 16.12.4a

cisco ios xe 17.1.3

cisco ios xe 17.2.2

cisco ios xe 17.3.1

cisco ios xe 16.12.1za

cisco ios xe 17.3.2

cisco ios xe 17.3.1a

cisco ios xe 17.3.2a

cisco ios xe 17.3.1w

cisco ios xe 17.2.3

cisco ios xe 16.9.6

cisco ios xe 17.3.1x

Vendor Advisories

A vulnerability in the web UI feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a cross-site WebSocket hijacking (CSWSH) attack and cause a denial of service (DoS) condition on an affected device This vulnerability is due to insufficient HTTP protections in the web UI on an affected device An attacker cou ...