Security readout for executives and security teams
Plain-English summary
This flaw can make Adobe Acrobat or Reader disclose sensitive memory when a user opens a malicious file. It does not indicate code execution in the provided data, but it can expose confidential information from the affected application process. Business risk is concentrated on endpoints where users handle untrusted documents.
Executive priority
Treat this as a moderate-priority endpoint patching issue. It is not reported here as actively exploited, but it can disclose sensitive memory if users open malicious files, making prompt remediation appropriate for document-heavy teams.
Technical view
CVE-2020-9713 is a CWE-125 out-of-bounds read in Adobe Acrobat and Reader. The attack vector is local, requires no privileges, and requires user interaction. CVSS 3.1 is 5.5, with high confidentiality impact and no integrity or availability impact reported.
Likely exposure
Exposure is likely on user workstations or shared systems running Acrobat or Reader versions listed as affected: 2020.009.20074 and earlier, 2020.001.30002, 2017.011.30171 and earlier, or 2015.006.30523 and earlier.
Exploitation context
The provided sources say exploitation requires a victim to open a malicious file. CISA KEV is false in the bundle, and no cited source here supports active exploitation. Evidence is limited to the CVE record and Adobe advisory reference.
Researcher notes
The bundle identifies confidentiality-only impact, CWE-125, user interaction, and affected version ranges. It does not include exploit details, proof of active exploitation, or complete fix-version text, so remediation should be tied directly to Adobe APSB20-48.
Mitigation direction
- Identify systems running affected Acrobat or Reader versions.
- Apply the relevant Adobe security update from APSB20-48.
- Reduce exposure to untrusted PDFs and attachments until updated.
- Use endpoint controls to restrict risky document handling where feasible.
Validation and detection
- Inventory installed Acrobat and Reader versions across managed endpoints.
- Confirm updated systems are beyond the affected versions listed by Adobe.
- Review security tooling for alerts involving malicious PDF delivery.
- Verify users handling external documents are prioritized for remediation.
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-2020-9713 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.
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:N/A:N1.83.6adobeVulnerability 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
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.