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CVE-2021-34748

28
FAUCET Score

CVE-2021-34748 is a high-severity command injection vulnerability affecting the web-based management interface of Cisco Intersight Virtual Appliance. An authenticated, remote attacker can exploit insufficient input validation to execute arbitrary commands with root privileges. This vulnerability has a CVSS score of 8.8 (High), indicating a low attack complexity and significant impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB) is not available, and it has received limited community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.0.9-150, <= 1.0.9-292CPE matchmatch criteria
cpe:2.3:a:cisco:intersight_virtual_appliance:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.75%
Probability of exploitation in next 30 days
EPSS Percentile
84.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0275 is in the 83rd percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsi2-command-inject-CGyC8y2R
Vendor Advisory