Security readout for executives and security teams
Plain-English summary
A malicious TIF file can make Adobe Dimension read memory it should not. The issue can expose limited sensitive memory and may help bypass protections such as ASLR. The victim must open the malicious file, so risk is mainly for users who receive and open untrusted design assets.
Executive priority
Handle through normal endpoint patch management, with priority for teams that exchange third-party design assets. This is not a broad internet-facing emergency based on the supplied evidence, but it can aid compromise chains by weakening memory protections.
Technical view
CVE-2021-44183 is a CWE-125 out-of-bounds read in Adobe Dimension TIF file parsing. Adobe lists Dimension 3.4.3 and earlier as affected. CVSS 3.0 is 3.3, local attack vector, low complexity, no privileges, user interaction required, low confidentiality impact, no integrity or availability impact.
Likely exposure
Exposure is limited to endpoints with Adobe Dimension 3.4.3 or earlier installed, especially creative or marketing systems that open externally supplied TIF files. Server-side exposure is not indicated by the sources.
Exploitation context
The provided sources do not indicate active exploitation, and the CVE is not marked in KEV. Exploitation requires social engineering or file delivery because a victim must open a malicious TIF file in Adobe Dimension.
Researcher notes
The public record describes information disclosure through out-of-bounds read during TIF parsing. No exploit details, proof-of-concept status, or fixed version were included in the supplied bundle, so validation should stay focused on version exposure and vendor bulletin remediation.
Mitigation direction
- Review Adobe APSB21-116 and apply the vendor-listed update or mitigation.
- Upgrade or remove Adobe Dimension where business use is no longer required.
- Warn users not to open unsolicited TIF files in Adobe Dimension.
- Route externally supplied design files through established malware scanning and intake controls.
Validation and detection
- Inventory endpoints for Adobe Dimension installations and installed versions.
- Confirm whether any installations are version 3.4.3 or earlier.
- Check software management records for Adobe APSB21-116 remediation status.
- Review recent helpdesk or security reports involving suspicious TIF files.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-125: Exact CWE lookup
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Open ATT&CK lookupCVE-2021-44183 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N1.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
3.3LowVector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/dimension/apsb21-116.htmlCVE reference · x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-21-1572/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.