high
8.8
CWE
20
Advisory Published
Updated

CVE-2020-3425: Cisco IOS XE Software Privilege Escalation Vulnerabilities

First published: Thu Sep 24 2020(Updated: )

Multiple vulnerabilities in the web management framework of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to elevate privileges to the level of an Administrator user on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS XE Web UI=16.1.1
Cisco IOS XE Web UI=16.1.2
Cisco IOS XE Web UI=16.1.3
Cisco IOS XE Web UI=16.2.1
Cisco IOS XE Web UI=16.2.2
Cisco IOS XE Web UI=16.3.1
Cisco IOS XE Web UI=16.3.1a
Cisco IOS XE Web UI=16.3.2
Cisco IOS XE Web UI=16.3.3
Cisco IOS XE Web UI=16.3.4
Cisco IOS XE Web UI=16.3.5
Cisco IOS XE Web UI=16.3.5b
Cisco IOS XE Web UI=16.3.6
Cisco IOS XE Web UI=16.3.7
Cisco IOS XE Web UI=16.3.8
Cisco IOS XE Web UI=16.3.9
Cisco IOS XE Web UI=16.3.10
Cisco IOS XE Web UI=16.4.1
Cisco IOS XE Web UI=16.4.2
Cisco IOS XE Web UI=16.4.3
Cisco IOS XE Web UI=16.5.1
Cisco IOS XE Web UI=16.5.1a
Cisco IOS XE Web UI=16.5.1b
Cisco IOS XE Web UI=16.5.2
Cisco IOS XE Web UI=16.5.3
Cisco IOS XE Web UI=16.6.1
Cisco IOS XE Web UI=16.6.2
Cisco IOS XE Web UI=16.6.3
Cisco IOS XE Web UI=16.6.4
Cisco IOS XE Web UI=16.6.4a
Cisco IOS XE Web UI=16.6.4s
Cisco IOS XE Web UI=16.6.5
Cisco IOS XE Web UI=16.6.5a
Cisco IOS XE Web UI=16.6.5b
Cisco IOS XE Web UI=16.6.6
Cisco IOS XE Web UI=16.6.7
Cisco IOS XE Web UI=16.6.7a
Cisco IOS XE Web UI=16.6.8
Cisco IOS XE Web UI=16.7.1
Cisco IOS XE Web UI=16.7.1a
Cisco IOS XE Web UI=16.7.1b
Cisco IOS XE Web UI=16.7.2
Cisco IOS XE Web UI=16.7.3
Cisco IOS XE Web UI=16.7.4
Cisco IOS XE Web UI=16.8.1
Cisco IOS XE Web UI=16.8.1a
Cisco IOS XE Web UI=16.8.1b
Cisco IOS XE Web UI=16.8.1c
Cisco IOS XE Web UI=16.8.1d
Cisco IOS XE Web UI=16.8.1e
Cisco IOS XE Web UI=16.8.1s
Cisco IOS XE Web UI=16.8.2
Cisco IOS XE Web UI=16.8.3
Cisco IOS XE Web UI=16.9.1
Cisco IOS XE Web UI=16.9.1a
Cisco IOS XE Web UI=16.9.1b
Cisco IOS XE Web UI=16.9.1c
Cisco IOS XE Web UI=16.9.1d
Cisco IOS XE Web UI=16.9.1s
Cisco IOS XE Web UI=16.9.2
Cisco IOS XE Web UI=16.9.2a
Cisco IOS XE Web UI=16.9.2s
Cisco IOS XE Web UI=16.9.3
Cisco IOS XE Web UI=16.9.3a
Cisco IOS XE Web UI=16.9.3h
Cisco IOS XE Web UI=16.9.3s
Cisco IOS XE Web UI=16.9.4
Cisco IOS XE Web UI=16.9.4c
Cisco IOS XE Web UI=16.9.5
Cisco IOS XE Web UI=16.9.5f
Cisco IOS XE Web UI=16.10.1
Cisco IOS XE Web UI=16.10.1a
Cisco IOS XE Web UI=16.10.1b
Cisco IOS XE Web UI=16.10.1c
Cisco IOS XE Web UI=16.10.1d
Cisco IOS XE Web UI=16.10.1e
Cisco IOS XE Web UI=16.10.1f
Cisco IOS XE Web UI=16.10.1g
Cisco IOS XE Web UI=16.10.1s
Cisco IOS XE Web UI=16.10.2
Cisco IOS XE Web UI=16.10.3
Cisco IOS XE Web UI=16.11.1
Cisco IOS XE Web UI=16.11.1a
Cisco IOS XE Web UI=16.11.1b
Cisco IOS XE Web UI=16.11.1c
Cisco IOS XE Web UI=16.11.1s
Cisco IOS XE Web UI=16.11.2
Cisco IOS XE Web UI=16.12.1
Cisco IOS XE Web UI=16.12.1a
Cisco IOS XE Web UI=16.12.1c
Cisco IOS XE Web UI=16.12.1s
Cisco IOS XE Web UI=16.12.1t
Cisco IOS XE Web UI=16.12.1w
Cisco IOS XE Web UI=16.12.1x
Cisco IOS XE Web UI=16.12.1y
Cisco IOS XE Web UI=16.12.2
Cisco IOS XE Web UI=16.12.2a
Cisco IOS XE Web UI=16.12.2s
Cisco IOS XE Web UI=16.12.2t
Cisco IOS XE Web UI=17.1.1
Cisco IOS XE Web UI=17.1.1a
Cisco IOS XE Web UI=17.1.1s
Cisco IOS XE Web UI=17.1.1t
Cisco IOS XE Web UI=17.2.1
Cisco IOS XE Web UI=17.2.1a
Cisco IOS XE Web UI=17.2.1r
Cisco IOS XE Web UI=17.2.1v
Cisco 1100 Series Integrated Services Router
Cisco 1101 Integrated Services Router
Cisco 1109 Integrated Services Router
Cisco 111x Integrated Services Router
Cisco 111x Integrated Services Router
Cisco 1120 Integrated Services Router
Cisco 1160 Integrated Services Router
Cisco 4221 Integrated Services Router
Cisco 4321/k9 Integrated Services Router
Cisco 4331/k9-rf Integrated Services Router
Cisco 4351/k9-rf Integrated Services Router
Cisco 4431 Integrated Services Router
Cisco 4451-X Integrated Services Router
Cisco 4441 Integrated Services Router
Cisco ASR 1001
Cisco ASR 1001-X
Cisco ASR 1002 Fixed Router
Cisco ASR 1002-X
Cisco ASR 1004
Cisco ASR 1006
Cisco ASR 1006-X
Cisco ASR 1009-X
Cisco ASR 1013
Cisco Catalyst 9800-40
Cisco Catalyst 9800-80
Cisco Catalyst 9800-CL
Cisco Catalyst 9800-L
Cisco Catalyst 9800-L
Cisco Catalyst 9800-L
Cisco Catalyst C9200
Cisco Catalyst 9200 Series
Cisco Catalyst C9200-48P
Cisco Catalyst 9200 Series
Cisco Catalyst C9200L-24P-4G
Cisco Catalyst C9200L-24P-4X
Cisco Catalyst C9200L-24PXG-2Y
Cisco Catalyst C9200L-24PXG-4X
Cisco Catalyst C9200L-24T-4G
Cisco Catalyst C9200L-24T-4X
Cisco Catalyst C9200L-48P-4G
Cisco Catalyst C9200L-48P-4X
Cisco Catalyst C9200L-48PXG-2Y
Cisco Catalyst C9200L-48PXG-4X
Cisco Catalyst C9200L-48T-4G
Cisco Catalyst C9200L-48T-4X
Cisco Catalyst C9300-24P
Cisco Catalyst C9300
Cisco Catalyst 9300-24T-A
Cisco Catalyst C9300-24U
Cisco Catalyst 9300-24UX
Cisco Catalyst C9300-48P
Cisco Catalyst C9300
Cisco Catalyst C9300
Cisco Catalyst 9300-48U
Cisco Catalyst C9300 Series
Cisco Catalyst C9300-48UXM
Cisco Catalyst C9300
Cisco Catalyst C9300L-24P-4X
Cisco Catalyst 9300L-24T-4G
Cisco Catalyst 9300
Cisco Catalyst C9300L-48P-4G
Cisco Catalyst 9300 Series Switches
Cisco Catalyst C9300
Cisco Catalyst C9300L-48T-4X
Cisco Catalyst 9500
Cisco Catalyst 9500
Cisco Catalyst 9500
Cisco Catalyst C9500-24Y4C
Cisco Catalyst 9500
Cisco Catalyst C9500-32QC
Cisco Catalyst C9500-40x
Cisco Catalyst C9500-48Y4C
Cisco Cloud Services Router 1000V
Cisco Integrated Services Virtual Router Firmware
Cisco Catalyst 3650 Series Switches
Cisco Catalyst 3650-12X48UR
Cisco Catalyst 3650 Series Switch
Cisco Catalyst 3650 Series Switch
Cisco Catalyst 3650 24 Port PoE Switch (WS-C3650-24PD)
Cisco Catalyst 3650-24PS
Cisco Catalyst 3650-24TD Switch
Cisco Catalyst 3650-24TS
Cisco Catalyst 3650 Series Switch
Cisco Catalyst 3650-48FQ Switch
Cisco Catalyst 3650-48FQM Switch
Cisco Catalyst 3650 Series Switch WS-C3650-48FS
Cisco Catalyst 3650-48PD
Cisco Catalyst 3650 Series Switches
Cisco Catalyst 3650-48PS
Cisco Catalyst 3650 Series Switches
Cisco Catalyst 3650 48TQ
Cisco Catalyst 3650-48TS Switch
Cisco Catalyst 3650-8X24UQ
Cisco Catalyst 3850
Cisco Catalyst 3850 Series Switches
Cisco Catalyst 3850 Series Switch
Cisco Catalyst 3850 Switch (model WS-C3850-12XS)
Cisco Catalyst 3850 Series Switch
Cisco Catalyst 3850 Series Switches
Cisco Catalyst 3850
Cisco Catalyst 3850 Series Switch
Cisco Catalyst 3850 Switch
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850 48F Switch
Cisco Catalyst 3850 48 Port PoE Switch
Cisco Catalyst 3850 Series Switches
Cisco Catalyst 3850-48U
Cisco Catalyst 3850 Series Switches
Cisco Catalyst 3860 Series Switch

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-3425?

    CVE-2020-3425 has a high severity rating, indicating a significant vulnerability in Cisco IOS XE Software.

  • How do I fix CVE-2020-3425?

    To fix CVE-2020-3425, apply the latest security updates or patches provided by Cisco for affected IOS XE versions.

  • What versions of Cisco IOS XE are affected by CVE-2020-3425?

    CVE-2020-3425 affects multiple versions of Cisco IOS XE, including versions 16.1.1 through 17.2.1.

  • Can CVE-2020-3425 lead to unauthorized access?

    Yes, CVE-2020-3425 can allow an authenticated, remote attacker to elevate their privileges to that of an Administrator on the device.

  • Is there a workaround for CVE-2020-3425 if immediate patching is not possible?

    While patching is the preferred solution, temporarily restricting access to the web management interface can mitigate risks associated with CVE-2020-3425.

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