Security readout for executives and security teams
Plain-English summary
CVE-2020-9695 is a high-severity Adobe Acrobat Reader flaw that can let a malicious file run code as the signed-in user. It requires the victim to open the file, so email, download, and document-handling exposure matter most.
Executive priority
Treat as a near-term endpoint patching priority, especially for departments receiving external files. The main business risk is user-assisted code execution through document handling, not unauthenticated remote compromise.
Technical view
The issue is an out-of-bounds write vulnerability, CWE-787, in Acrobat Reader versions 2020.009.20074, 2020.001.30002, 2017.011.30171, 2015.006.30523 and earlier. CVSS 3.1 is 7.8, with local attack vector, low complexity, no privileges required, user interaction required, and high confidentiality, integrity, and availability impact.
Likely exposure
Organizations are exposed where affected Adobe Acrobat Reader versions remain installed and users can open untrusted files from email, web downloads, shared drives, or external partners.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation evidence. Exploitation requires user interaction: a victim must open a malicious file. Successful exploitation could execute code in the context of the current user.
Researcher notes
Evidence is limited to the CVE record and Adobe advisory reference. Do not claim exploitation in the wild from this bundle. Focus validation on version exposure, user interaction paths, and whether vendor guidance from APSB20-48 has been applied.
Mitigation direction
- Inventory Acrobat Reader versions across managed endpoints.
- Review Adobe APSB20-48 for vendor update guidance.
- Update affected Acrobat Reader installations according to Adobe guidance.
- Reduce exposure to untrusted files through email and download controls.
- Prioritize users who routinely handle external documents.
Validation and detection
- Confirm endpoints are not running listed affected versions or earlier.
- Check software inventory and endpoint management records for Acrobat Reader versions.
- Verify patch deployment status against Adobe APSB20-48 guidance.
- Review security controls for untrusted document delivery paths.
- Monitor endpoint alerts for suspicious document-reader activity.
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-787: 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 lookupExecution 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.
Open ATT&CK lookupCVE-2020-9695 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
- 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
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.
SSVC decision data
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:H/A:H1.85.9adobeVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/acrobat/apsb20-48.htmlCVE reference, adobe · vendor-advisory
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 Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.