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CVE Record

CVE-2022-34230: Adobe Acrobat Reader Use After Free could lead to Arbitrary code execution

Adobe Acrobat Reader versions 22.001.20142 (and earlier), 20.005.30334 (and earlier) and 17.012.30229 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw lets a malicious PDF or similar file crash and potentially run attacker-controlled code in Adobe Acrobat Reader when a user opens it. The code would run with that user's permissions, so business impact depends on endpoint privileges and document-handling exposure.

Executive priority

Treat this as a high-priority endpoint patching issue, especially for teams that routinely handle external documents. It is not marked as known exploited in the provided sources, but malicious-file code execution is a common enterprise risk pattern.

Technical view

CVE-2022-34230 is a CWE-416 use-after-free in Adobe Acrobat Reader. Affected versions include 22.001.20142 and earlier, 20.005.30334 and earlier, and 17.012.30229 and earlier. CVSS 3.1 is 7.8 with user interaction required and high confidentiality, integrity, and availability impact.

Likely exposure

Organizations are exposed where users run affected Adobe Acrobat Reader versions and receive or open untrusted documents through email, downloads, file shares, or web content.

Exploitation context

The bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires a victim to open a malicious file, making phishing and document delivery the most relevant risk context.

Researcher notes

The CVSS vector is local, low complexity, no privileges required, user interaction required, unchanged scope, and high CIA impact. The source bundle gives affected version thresholds but no explicit fixed build numbers, so remediation should follow Adobe's bulletin.

Mitigation direction

  • Inventory Adobe Acrobat Reader installations and versions across managed endpoints.
  • Update affected Reader deployments according to Adobe APSB22-32 guidance.
  • Prioritize endpoints used for email, document intake, finance, legal, and external submissions.
  • Limit opening untrusted PDFs until affected Reader versions are updated.
  • Use least-privilege user accounts to reduce impact from user-context code execution.

Validation and detection

  • Confirm installed Reader versions exceed the affected version thresholds in the CVE record.
  • Verify endpoint management reports successful Adobe Reader updates.
  • Check whether high-risk user groups still run affected Reader versions.
  • Review email and web controls for suspicious document delivery attempts.
  • Confirm no business workflow depends on outdated Reader release tracks.
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

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cwe · low confidence lookup

CWE-416: Exact CWE lookup

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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-2022-34230 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-2022-34230Attack 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
AdobeAcrobat Readerunspecified, unspecified, unspecified, unspecifiedListed
Weakness

CWE details

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

CWE-416 · source CWE mapping

Use After Free

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