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CVE Record

CVE-2021-32076: Access Restriction bypass vulnerability via referrer spoof - Business Logic Bypass

Access Restriction Bypass via referrer spoof was discovered in SolarWinds Web Help Desk 12.7.2. An attacker can access the 'Web Help Desk Getting Started Wizard', especially the admin account creation page, from a non-privileged IP address network range or loopback address by intercepting the HTTP request and changing the referrer from the public IP address to the loopback.

MediumCVSS 5.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

SolarWinds Web Help Desk 12.7.2 had an access-control weakness where the setup wizard, including an admin account creation page, could be reached from an untrusted network location. The flaw is medium severity because the published impact is limited, but exposure matters if Web Help Desk is reachable from the internet or broad internal networks.

Executive priority

Treat as moderate priority. Escalate to urgent if Web Help Desk is internet-facing, externally reachable, or still exposing setup flows. Otherwise, fold into near-term SolarWinds hardening and version verification work.

Technical view

The issue is an access restriction bypass tied to spoofable HTTP referrer handling, mapped to CWE-290. CVSS 3.1 is 5.3 with network attack vector, low complexity, no privileges, and no user interaction. The source bundle names SolarWinds Web Help Desk 12.7.2 and does not provide detailed fixed-version data.

Likely exposure

Organizations running SolarWinds Web Help Desk 12.7.2 are the clearest exposed group. Risk is higher where Web Help Desk or its setup wizard is reachable from untrusted IP ranges, public networks, or loosely segmented internal networks.

Exploitation context

The provided sources do not show CISA KEV listing or confirmed active exploitation. The vulnerability is remotely reachable per CVSS, requires no authentication, and abuses a business-logic access restriction weakness rather than memory corruption.

Researcher notes

Evidence is limited to the CVE record and SolarWinds advisory reference. Do not assume affected versions beyond the named 12.7.2 without vendor confirmation. The key validation question is whether access control relies on spoofable request metadata for restricted wizard pages.

Mitigation direction

  • Check the SolarWinds advisory for fixed versions or vendor-approved mitigations.
  • Limit Web Help Desk access to trusted administrative networks or VPNs.
  • Ensure setup or getting-started wizard pages are not publicly reachable.
  • Review whether Web Help Desk 12.7.2 remains deployed anywhere.
  • Monitor access logs for unexpected setup wizard requests.

Validation and detection

  • Inventory SolarWinds Web Help Desk instances and record deployed versions.
  • Confirm whether any instance is version 12.7.2 or otherwise covered by vendor guidance.
  • Review network exposure for Web Help Desk administrative and setup paths.
  • Check historical logs for setup wizard access from untrusted source ranges.
  • Verify remediation status against the SolarWinds advisory.
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-290: 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-2021-32076 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
5.3 (3.1)
Known Exploited
No
Published

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

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
5.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.3Medium
CVSS 3.1 vector shape for CVE-2021-32076Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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

Products and packages named in the record

VendorProductVersion / packageStatus
SolarWindsWeb Help DeskunspecifiedListed
Weakness

CWE details

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

CWE-290 · source CWE mapping

Authentication Bypass by Spoofing

Authentication Bypass by Spoofing represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.