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CVE Record

CVE-2020-11037: Potential Observable Timing Discrepancy in Wagtail

In Wagtail before versions 2.7.3 and 2.8.2, a potential timing attack exists on pages or documents that have been protected with a shared password through Wagtail's "Privacy" controls. This password check is performed through a character-by-character string comparison, and so an attacker who is able to measure the time taken by this check to a high degree of accuracy could potentially use timing differences to gain knowledge of the password. This is [understood to be feasible on a local network, but not on the public internet](https://groups.google.com/d/msg/django-developers/iAaq0pvHXuA/fpUuwjK3i2wJ). Privacy settings that restrict access to pages/documents on a per-user or per-group basis (as opposed to a shared password) are unaffected by this vulnerability. This has been patched in 2.7.3, 2.8.2, 2.9.

MediumCVSS 6.1Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Some Wagtail sites used a password check that could leak tiny timing clues when protecting pages or documents with a shared password. The issue matters most where an attacker can measure responses very accurately, such as on a local network.

Executive priority

Treat as a targeted, moderate-risk issue. Prioritize remediation for intranet, campus, office, or hosting environments where an attacker may share the network and protected content is sensitive.

Technical view

CVE-2020-11037 is a CWE-208 timing discrepancy in Wagtail shared-password Privacy controls. Affected versions compare passwords character by character, potentially revealing password information through response timing. Per-user and per-group privacy restrictions are not affected.

Likely exposure

Exposure is limited to Wagtail before 2.7.3, 2.8 release candidates through before 2.8.2, and 2.9rc1 where shared-password Privacy controls protect pages or documents.

Exploitation context

The sources do not report active exploitation, and KEV status is false. The advisory describes exploitation as requiring highly accurate timing measurement and being feasible on a local network, not the public internet.

Researcher notes

The vulnerable condition is the shared-password privacy check, not all Wagtail authentication. The source bundle names patches but does not provide evidence of public internet feasibility or active exploitation.

Mitigation direction

  • Upgrade Wagtail to 2.7.3, 2.8.2, 2.9, or later.
  • Identify pages or documents protected by shared Privacy passwords.
  • Prefer per-user or per-group access controls where operationally appropriate.
  • Review vendor advisory and release notes before changing production systems.

Validation and detection

  • Inventory deployed Wagtail versions across production and internal environments.
  • Check whether shared-password Privacy controls are used on pages or documents.
  • Confirm upgraded instances run a patched Wagtail version.
  • Document any remaining shared-password protected content and compensating controls.
Prepared
Confidence
high
Sources
7

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

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ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-208: Exact CWE lookup

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description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access 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-2020-11037 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
Medium
CVSS
6.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/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
6Source 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
6.1CVSS 3.1MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:N0.84.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.1Medium
CVSS 3.1 vector shape for CVE-2020-11037Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/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
wagtailWagtail< 2.7.3, >= 2.8rc1, < 2.8.2, = 2.9rc1Listed
Weakness

CWE details

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

CWE-208 · source CWE mapping

Observable Timing Discrepancy

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