CVE-2021-34748

highpriority · track · 36EPSS 0.027 · 86 %ileEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
2.75% (86th) EPSS
CVSS 9 · high
Is it mine?
4 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-28

A vulnerability in the web-based management interface of Cisco Intersight Virtual Appliance could allow an authenticated, remote attacker to perform a command injection attack on an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by using the web-based management interface to execute a command using crafted input. A successful exploit could allow the attacker to execute arbitrary commands using root-level privileges on an affected device.

01

remediations

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

A vendor fix is available.

02

cvss

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

9.0
010

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

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 10
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9
v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@cisco.com USexploitability 2.8 · impact 5.9
v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · Cisco PSIRT US
03

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-78USprimaryCWE-77USCWE-77US
05

affected products (4)

Products and version ranges known to be affected.

06

advisories (1)

Vendor and ecosystem advisories describing this.

  • cisco-sa-ucsi2-command-inject-CGyC8y2RCisco Intersight Virtual Appliance Command Injection Vulnerability2021-10-06csaf · cisco_csafUS

    A vulnerability in the web-based management interface of Cisco Intersight Virtual Appliance could allow an authenticated, remote attacker to perform a command injection attack on an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by using the web-based management interface to execute a command using crafted input. A successful exploit could allow the attacker to execute arbitrary commands using root-level privileges on an affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisco_csafnvdNVDCVE.orgMITRE
published 2021-10-06modified 2026-06-17
10

references (6)

External citations — patches, advisories, analysis.

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