Security readout for executives and security teams
Plain-English summary
CVE-2021-36019 is a low-severity Adobe After Effects flaw. A malicious file opened by a user could cause After Effects to read memory outside expected bounds and disclose limited memory information under that user’s account. It requires user interaction and does not affect integrity or availability in the CVSS record.
Executive priority
Treat this as routine endpoint patching, not an emergency. Prioritize creative teams that open third-party files, but the low CVSS score, required user interaction, and lack of KEV evidence reduce business urgency.
Technical view
Adobe After Effects 18.2.1 and earlier are reported vulnerable to CWE-125 out-of-bounds read during specially crafted file parsing. The CVSS 3.1 vector is local, low complexity, no privileges required, user interaction required, unchanged scope, low confidentiality impact, and no integrity or availability impact.
Likely exposure
Exposure is mainly on endpoints where Adobe After Effects 18.2.1 or earlier is installed, especially creative workflows receiving files from external parties. Server exposure is not indicated by the provided sources.
Exploitation context
The CVE requires a victim to open a malicious file. The source bundle does not report active exploitation, and the CVE is not flagged as CISA KEV. No public exploit status is established by the provided evidence.
Researcher notes
Evidence supports an out-of-bounds read with limited confidentiality impact only. The provided sources do not include exploit details, exact fixed builds, or observed attacks. Validation should focus on version inventory and Adobe advisory alignment rather than exploit reproduction.
Mitigation direction
- Inventory Adobe After Effects versions across managed workstations.
- Review Adobe APSB21-54 for vendor remediation guidance.
- Update affected After Effects installations according to Adobe guidance.
- Limit opening untrusted files in After Effects until remediated.
- Route external creative files through normal malware scanning controls.
Validation and detection
- Confirm whether After Effects 18.2.1 or earlier is installed.
- Verify endpoints have received the vendor-recommended Adobe update.
- Check software inventory for unmanaged creative workstations.
- Review user groups likely to receive external After Effects or PDF-related files.
- Document exceptions where updates cannot be applied immediately.
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-2021-36019 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 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N1.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
3.3LowVector: CVSS:3.1/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/after_effects/apsb21-54.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.