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CVE Record

CVE-2021-1574: Cisco Business Process Automation Privilege Escalation Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Business Process Automation (BPA) could allow an authenticated, remote attacker to elevate privileges to Administrator. These vulnerabilities are due to improper authorization enforcement for specific features and for access to log files that contain confidential information. An attacker could exploit these vulnerabilities either by submitting crafted HTTP messages to an affected system and performing unauthorized actions with the privileges of an administrator, or by retrieving sensitive data from the logs and using it to impersonate a legitimate privileged user. A successful exploit could allow the attacker to elevate privileges to Administrator.

HighCVSS 8.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-1574 lets a logged-in attacker gain Administrator-level control of Cisco Business Process Automation. The issue is improper authorization in the web management interface and sensitive data exposure in logs. Business impact is high because a low-privileged account could become an administrator and affect confidentiality, integrity, and availability.

Executive priority

Treat as high priority where Cisco BPA is deployed. The vulnerability turns a low-privileged authenticated user into a potential administrator, creating meaningful operational and data-risk exposure.

Technical view

Cisco BPA web management has multiple authorization-enforcement flaws. An authenticated remote attacker with low privileges could abuse specific features or access confidential log data to impersonate a privileged user. CVSS is 8.8, network reachable, low complexity, low privileges required, no user interaction.

Likely exposure

Exposure is limited to organizations running Cisco Business Process Automation with its web-based management interface reachable to authenticated users. The provided sources do not identify affected versions or CPEs, so asset owners must confirm applicability against Cisco guidance.

Exploitation context

The source bundle does not show CISA KEV listing or other evidence of active exploitation. Exploitation requires an authenticated remote attacker, but the required privilege level is low and impact is Administrator escalation.

Researcher notes

Evidence supports improper authorization and confidential log exposure in Cisco BPA. The bundle lacks affected version ranges, fixed-release details, and exploit telemetry. Avoid assuming broader Cisco product impact without vendor confirmation.

Mitigation direction

  • Review Cisco's advisory for affected releases and vendor-supported fixes.
  • Inventory all Cisco BPA deployments and owners.
  • Restrict BPA management access to trusted administrative networks.
  • Remove stale or unnecessary BPA user accounts.
  • Rotate privileged credentials if logs may have exposed sensitive data.

Validation and detection

  • Confirm whether Cisco BPA exists in the environment.
  • Identify internet, VPN, or internal exposure of the BPA management interface.
  • Review Cisco advisory applicability against installed BPA versions.
  • Audit BPA logs for unusual privileged actions or log access.
  • Check for recent account creation, role changes, or administrator impersonation indicators.
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-285: 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.

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description · low confidence lookup

Privilege behavior lookup

The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2021-1574 mapping review

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

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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
8.8CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.8High
CVSS 3.1 vector shape for CVE-2021-1574Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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 Business Process Automation (BPA)n/aListed
Weakness

CWE details

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

CWE-285 · source CWE mapping

Improper Authorization

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