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CVE Record

CVE-2021-34786: Cisco BroadWorks CommPilot Application Software Vulnerabilities

Multiple vulnerabilities in Cisco BroadWorks CommPilot Application Software could allow an authenticated, remote attacker to delete arbitrary user accounts or gain elevated privileges on an affected system.

MediumCVSS 6.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-34786 affects Cisco BroadWorks CommPilot Application Software. A logged-in remote attacker with high privileges could delete arbitrary user accounts or gain elevated privileges. The main business risk is disruption and administrative control abuse in BroadWorks environments, not unauthenticated internet takeover.

Executive priority

Treat this as a moderate priority for BroadWorks operators. It is not described as actively exploited, but successful abuse could disrupt users or expand administrative control. Prioritize environments where BroadWorks supports critical communications or where privileged account security is weak.

Technical view

The CVE describes multiple Cisco BroadWorks CommPilot vulnerabilities mapped to CWE-620. CVSS 3.1 is 6.5, with network access, low complexity, high privileges required, no user interaction, and high integrity and availability impact. Affected version detail is not provided in the bundle.

Likely exposure

Exposure is limited to organizations running Cisco BroadWorks CommPilot Application Software. The source bundle does not name specific affected versions, so teams must map deployments against Cisco's advisory rather than assume all BroadWorks instances are affected.

Exploitation context

The source bundle does not show CISA KEV listing or cited active exploitation. Exploitation requires authenticated remote access with high privileges, reducing broad opportunistic risk but making insider, compromised-admin, or managed-service-provider scenarios important.

Researcher notes

Evidence is sparse outside the CVE summary and Cisco advisory reference. Do not infer vulnerable versions or exploit availability from this bundle. The key validation question is whether CommPilot is present and matches Cisco's advisory scope.

Mitigation direction

  • Review Cisco's advisory for affected releases and fixed software guidance.
  • Inventory Cisco BroadWorks deployments for CommPilot Application Software usage.
  • Apply Cisco-provided remediation when applicability is confirmed.
  • Tighten high-privilege CommPilot account access pending vendor remediation.
  • Monitor administrative activity for unexpected account deletion or privilege changes.

Validation and detection

  • Confirm whether Cisco BroadWorks CommPilot is deployed in the environment.
  • Compare installed software versions with Cisco's advisory applicability guidance.
  • Verify remediation status through vendor release or maintenance records.
  • Review logs for unusual user deletion or privilege modification events.
  • Check that privileged CommPilot access is limited to authorized administrators.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-620: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-34786 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.5 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H1.25.2Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2021-34786Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
CiscoCisco BroadWorksn/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-620 · source CWE mapping

Unverified Password Change

Unverified Password Change represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.