CVE-2021-34766

mediumpriority · track · 35EPSS 0.010 · 62 %ileEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.97% (62nd) EPSS
CVSS 6.5 · medium
Is it mine?
4 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-27

A vulnerability in the web UI of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate privileges and create, read, update, or delete records and settings in multiple functions. This vulnerability is due to insufficient authorization of the System User and System Operator role capabilities. An attacker could exploit this vulnerability by directly accessing a web resource. A successful exploit could allow the attacker to create, read, update, or delete records and settings in multiple functions without the necessary permissions on the web UI.

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.

8.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.4–8.8

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4
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
v3.15.4mediumAV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU
v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU
v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · psirt@cisco.com USexploitability 2.8 · impact 2.5
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)
v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · Cisco PSIRT US
03

ssvc

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

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

affected products (4)

Products and version ranges known to be affected.

06

advisories (1)

Vendor and ecosystem advisories describing this.

  • cisco-sa-ssm-priv-esc-5g35cdDJCisco Smart Software Manager Privilege Escalation Vulnerability2021-10-06csaf · cisco_csafUS

    A vulnerability in the web UI of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate privileges and create, read, update, or delete records and settings in multiple functions. This vulnerability is due to insufficient authorization of the System User and System Operator role capabilities. An attacker could exploit this vulnerability by directly accessing a web resource. A successful exploit could allow the attacker to create, read, update, or delete records and settings in multiple functions without the necessary permissions on the web UI. 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.

10

references (6)

External citations — patches, advisories, analysis.

scry

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