Security readout for executives and security teams
Plain-English summary
CVE-2021-28619 affects Adobe Animate 21.0.6 and earlier. If a user opens a maliciously crafted file, Animate could read memory outside expected bounds and expose sensitive information available to that user's session. The issue requires user interaction and is not listed as actively exploited in the provided sources.
Executive priority
Treat this as a moderate workstation risk, not an internet-facing emergency. The main business concern is sensitive information disclosure if creative or marketing staff open malicious files. Prioritize patching where Animate is used with external content.
Technical view
This is a CWE-125 out-of-bounds read in Adobe Animate file parsing. The CVSS 3.1 score is 5.5 with local attack vector, low complexity, no privileges required, required user interaction, unchanged scope, high confidentiality impact, and no integrity or availability impact.
Likely exposure
Exposure is likely limited to workstations where Adobe Animate 21.0.6 or earlier is installed, especially users who receive or open Animate-related files from external or untrusted sources.
Exploitation context
The source bundle does not show CISA KEV listing or other cited evidence of active exploitation. Exploitation requires convincing a victim to open a malicious file, so phishing, file-sharing, or creative-production workflows are the most relevant risk contexts.
Researcher notes
Evidence is limited to CVE metadata and Adobe's security bulletin reference. The provided sources identify the vulnerable product, affected version boundary, weakness class, CVSS vector, and user-interaction requirement, but do not provide exploit details or a named fixed version in the bundle.
Mitigation direction
- Inventory endpoints for Adobe Animate 21.0.6 or earlier.
- Review Adobe APSB21-50 and deploy the vendor-supported update.
- Restrict opening Animate files from untrusted or unsolicited sources.
- Prioritize remediation for users handling external creative assets.
- Use endpoint controls to reduce risky file delivery paths.
Validation and detection
- Confirm installed Adobe Animate versions across managed endpoints.
- Verify remediated systems no longer run version 21.0.6 or earlier.
- Check software deployment logs for successful Adobe Animate updates.
- Review email and file-sharing controls for risky attachment exposure.
- Confirm user guidance covers untrusted Animate 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
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 lookupCVE-2021-28619 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/animate/apsb21-50.htmlCVE 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.