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CVE Record

CVE-2020-9727: Out-of-bounds memory access could lead to code execution

A memory corruption vulnerability exists in InDesign 15.1.1 (and earlier versions). Insecure handling of a malicious indd file could be abused to cause an out-of-bounds memory access, potentially resulting in code execution in the context of the current user.

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

A malicious InDesign document could corrupt memory and run code as the person who opens it. The risk is highest for design or marketing users who receive external .indd files. This is high severity, but the provided sources do not show confirmed active exploitation.

Executive priority

Treat as a priority workstation patching issue for creative and marketing environments. It can lead to code execution after opening a crafted file, but urgency is below internet-facing or confirmed exploited vulnerabilities based on the provided evidence.

Technical view

CVE-2020-9727 is an out-of-bounds memory access issue in Adobe InDesign 15.1.1 and earlier. Exploitation requires a user to open a malicious .indd file and could allow code execution in the current user's context. CVSS 3.1 score is 7.8 with high confidentiality, integrity, and availability impact.

Likely exposure

Workstations with Adobe InDesign 15.1.1 or earlier are exposed, especially where users open .indd files from clients, vendors, agencies, email, or shared drives.

Exploitation context

The CVSS vector indicates local execution with required user interaction and no privileges required. The bundle does not indicate KEV listing or active exploitation evidence.

Researcher notes

Evidence is limited to the CVE record and Adobe bulletin reference. The affected product is Adobe InDesign 15.1.1 and earlier. Do not assume broader Adobe product impact or active exploitation without additional cited sources.

Mitigation direction

  • Inventory Adobe InDesign installations and identify versions 15.1.1 or earlier.
  • Review Adobe APSB20-52 for the vendor-approved update or remediation path.
  • Prioritize remediation for users handling external or untrusted InDesign files.
  • Restrict opening untrusted .indd files until affected systems are remediated.

Validation and detection

  • Confirm installed InDesign versions against the affected 15.1.1-and-earlier range.
  • Verify Adobe APSB20-52 guidance has been applied on affected endpoints.
  • Check whether creative teams receive .indd files from external sources.
  • Document remaining vulnerable hosts and apply compensating restrictions.
Prepared
Confidence
high
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

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cwe · low confidence lookup

CWE-788: 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

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. 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-2020-9727 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
7.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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
7.8CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.8High
CVSS 3.1 vector shape for CVE-2020-9727Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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
AdobeInDesignunspecified, unspecifiedListed
Weakness

CWE details

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

CWE-788 · source CWE mapping

Access of Memory Location After End of Buffer

Access of Memory Location After End of Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.