CVE-2021-1484

mediumpriority · track · 0EPSS 0.012 · 69 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.24% (69th) EPSS

CVSS 6.5 · medium

Is it mine?

118 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-27

A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to inject arbitrary commands on an affected system and cause a denial of service (DoS) condition. This vulnerability is due to improper input validation of user-supplied input to the device template configuration. An attacker could exploit this vulnerability by submitting crafted input to the device template configuration. A successful exploit could allow the attacker to cause a DoS condition on the affected system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCisco Catalyst SD-WAN Managercisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/RL:X/RC:X/E:Xsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · psirt@cisco.com USexploitability 2.8 · impact 3.6

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · Cisco PSIRT US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-88USCWE-88US

affected products (118)

Products and version ranges known to be affected.

Cisco Cisco Catalyst SD-WAN Managerall versionscisco_csafUS
Cisco Cisco Catalyst SD-WAN Manager≤ 19.2.31enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 20.3.2.1_930enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 19.2.4enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 18.3.0enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 18.3.6.1enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 19.2.1enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 18.4.1enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 19.2.0enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 19.0.0enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 19.2.099enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 20.1.2enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 19.2.929enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 18.3.5enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 17.2.10enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 19.2.4.0.1enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 19.2.3enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 18.3.7enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 20.4.1enisa_euvdEU
Cisco Cisco Catalyst SD-WAN Manager≤ 20.3.2enisa_euvdEU

showing 20 of 118

advisories (1)

Vendor and ecosystem advisories describing this.

cisco-sa-vman-cmdinj-nRHKgfHXCisco SD-WAN vManage Command Injection Vulnerability2021-04-21csaf · cisco_csafUS
A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to inject arbitrary commands on an affected system and cause a denial of service (DoS) condition. This vulnerability is due to improper input validation of user-supplied input to the device template configuration. An attacker could exploit this vulnerability by submitting crafted input to the device template configuration. A successful exploit could allow the attacker to cause a DoS condition on the affected system. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisco_csaf NVD CVE.org MITRE

published 2024-11-15modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

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