CVE-2021-1126

lowpriority · track · 22EPSS 0.003 · 18 %ileEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.26% (18th) EPSS
CVSS 2.1 · low
Is it mine?
102 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 storage of proxy server credentials of Cisco Firepower Management Center (FMC) could allow an authenticated, local attacker to view credentials for a configured proxy server. The vulnerability is due to clear-text storage and weak permissions of related configuration files. An attacker could exploit this vulnerability by accessing the CLI of the affected software and viewing the contents of the affected files. A successful exploit could allow the attacker to view the credentials that are used to access the proxy server.

01

remediations

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

No fix is available; mitigate or reduce exposure.

  • No fix available2.9.0cisco_csaf

    No remediation is available at this time.

  • No fix available2.9.7.10cisco_csaf

    No remediation is available at this time.

  • No fix available4.10.3cisco_csaf

    No remediation is available at this time.

  • No fix available4.10.3.9cisco_csaf

    No remediation is available at this time.

  • No fix available5.2.0cisco_csaf

    No remediation is available at this time.

  • No fix available5.3.0cisco_csaf

    No remediation is available at this time.

  • No fix available5.3.0.2cisco_csaf

    No remediation is available at this time.

  • No fix available5.3.0.3cisco_csaf

    No remediation is available at this time.

  • No fix available5.3.0.4cisco_csaf

    No remediation is available at this time.

  • No fix available5.3.1cisco_csaf

    No remediation is available at this time.

  • No fix available5.3.1.3cisco_csaf

    No remediation is available at this time.

  • No fix available5.3.1.4cisco_csaf

    No remediation is available at this time.

  • No fix available5.3.1.5cisco_csaf

    No remediation is available at this time.

  • No fix available5.3.1.6cisco_csaf

    No remediation is available at this time.

  • No fix available5.3.1.7cisco_csaf

    No remediation is available at this time.

  • No fix available5.4.0cisco_csaf

    No remediation is available at this time.

  • No fix available5.4.0.2cisco_csaf

    No remediation is available at this time.

  • No fix available5.4.1cisco_csaf

    No remediation is available at this time.

  • No fix available5.4.1.1cisco_csaf

    No remediation is available at this time.

  • No fix available5.4.1.2cisco_csaf

    No remediation is available at this time.

  • No fix available5.4.1.3cisco_csaf

    No remediation is available at this time.

  • No fix available5.4.1.4cisco_csaf

    No remediation is available at this time.

  • No fix available5.4.1.5cisco_csaf

    No remediation is available at this time.

  • No fix available5.4.1.6cisco_csaf

    No remediation is available at this time.

  • No fix available5.4.1.9cisco_csaf

    No remediation is available at this time.

  • No fix available6.0.0cisco_csaf

    No remediation is available at this time.

  • No fix available6.0.0.0cisco_csaf

    No remediation is available at this time.

  • No fix available6.0.0.1cisco_csaf

    No remediation is available at this time.

  • No fix available6.0.1cisco_csaf

    No remediation is available at this time.

  • No fix available6.0.1.1cisco_csaf

    No remediation is available at this time.

  • No fix available6.0.1.2cisco_csaf

    No remediation is available at this time.

  • No fix available6.0.1.3cisco_csaf

    No remediation is available at this time.

  • No fix available6.0.1.4cisco_csaf

    No remediation is available at this time.

  • No fix available6.1.0cisco_csaf

    No remediation is available at this time.

  • No fix available6.1.0.1cisco_csaf

    No remediation is available at this time.

  • No fix available6.1.0.2cisco_csaf

    No remediation is available at this time.

  • No fix available6.1.0.3cisco_csaf

    No remediation is available at this time.

  • No fix available6.1.0.4cisco_csaf

    No remediation is available at this time.

  • No fix available6.1.0.5cisco_csaf

    No remediation is available at this time.

  • No fix available6.1.0.6cisco_csaf

    No remediation is available at this time.

  • No fix available6.1.0.7cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.0cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.0.1cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.0.2cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.0.3cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.0.4cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.0.5cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.0.6cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.0.7cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.1cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.2cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.2.1cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.2.2cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.2.3cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.2.4cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.2.5cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.1cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.10cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.11cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.12cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.13cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.14cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.15cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.16cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.2cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.3cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.4cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.5cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.6cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.7cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.8cisco_csaf

    No remediation is available at this time.

  • No fix available6.2.3.9cisco_csaf

    No remediation is available at this time.

  • No fix available6.3.0cisco_csaf

    No remediation is available at this time.

  • No fix available6.3.0.1cisco_csaf

    No remediation is available at this time.

  • No fix available6.3.0.2cisco_csaf

    No remediation is available at this time.

  • No fix available6.3.0.3cisco_csaf

    No remediation is available at this time.

  • No fix available6.3.0.4cisco_csaf

    No remediation is available at this time.

  • No fix available6.3.0.5cisco_csaf

    No remediation is available at this time.

  • No fix available6.4.0cisco_csaf

    No remediation is available at this time.

  • No fix available6.4.0.1cisco_csaf

    No remediation is available at this time.

  • No fix available6.4.0.10cisco_csaf

    No remediation is available at this time.

  • No fix available6.4.0.2cisco_csaf

    No remediation is available at this time.

  • No fix available6.4.0.3cisco_csaf

    No remediation is available at this time.

  • No fix available6.4.0.4cisco_csaf

    No remediation is available at this time.

  • No fix available6.4.0.5cisco_csaf

    No remediation is available at this time.

  • No fix available6.4.0.6cisco_csaf

    No remediation is available at this time.

  • No fix available6.4.0.7cisco_csaf

    No remediation is available at this time.

  • No fix available6.4.0.8cisco_csaf

    No remediation is available at this time.

  • No fix available6.4.0.9cisco_csaf

    No remediation is available at this time.

  • No fix available6.5.0cisco_csaf

    No remediation is available at this time.

  • No fix available6.5.0.1cisco_csaf

    No remediation is available at this time.

  • No fix available6.5.0.2cisco_csaf

    No remediation is available at this time.

  • No fix available6.5.0.3cisco_csaf

    No remediation is available at this time.

  • No fix available6.5.0.4cisco_csaf

    No remediation is available at this time.

  • No fix available6.6.0cisco_csaf

    No remediation is available at this time.

  • No fix available6.6.0.1cisco_csaf

    No remediation is available at this time.

  • No fix available6.6.1cisco_csaf

    No remediation is available at this time.

  • No fix availableBasecisco_csaf

    No remediation is available at this time.

02

cvss

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

5.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–5.5

v2.02.1lowAV:L/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.9
v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1.8 · impact 3.6
v3.05.5mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU
v3.05.5mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · psirt@cisco.com USexploitability 1.8 · impact 3.6
v3.05.5mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · Cisco PSIRT US
v3.15.5mediumAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU
v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
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 (102)

Products and version ranges known to be affected.

06

advisories (1)

Vendor and ecosystem advisories describing this.

  • cisco-sa-fmc-infodisc-RJdktM6fCisco Firepower Management Center Information Disclosure Vulnerability2021-01-13csaf · cisco_csafUS

    A vulnerability in the storage of proxy server credentials of Cisco Firepower Management Center (FMC) could allow an authenticated, local attacker to view credentials for a configured proxy server. The vulnerability is due to clear-text storage and weak permissions of related configuration files. An attacker could exploit this vulnerability by accessing the CLI of the affected software and viewing the contents of the affected files. A successful exploit could allow the attacker to view the credentials that are used to access the proxy server. 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.

published 2021-01-13modified 2026-06-17
10

references (5)

External citations — patches, advisories, analysis.

scry

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