Security readout for executives and security teams
Plain-English summary
CVE-2020-9556 is a high-severity memory-safety flaw in Adobe Bridge 10.0.1 and earlier. If successfully exploited, it could allow arbitrary code execution. The CVSS data indicates local access and user interaction are required, reducing broad remote exposure but still creating workstation risk.
Executive priority
Treat this as a timely workstation remediation item, especially in design, marketing, or media teams. It is high impact but not currently supported by provided evidence of active exploitation or network-reachable exposure.
Technical view
The vulnerability is a CWE-787 out-of-bounds write in Adobe Bridge 10.0.1 and earlier. It has CVSS 3.1 score 7.8 with local attack vector, low complexity, no privileges required, user interaction required, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to systems running Adobe Bridge 10.0.1 or earlier. The available source bundle does not identify affected operating systems, CPEs, or deployment conditions, so asset validation should focus on installed Adobe Bridge versions.
Exploitation context
The provided KEV flag is false, and the source bundle does not cite active exploitation. Exploitation requires user interaction and could lead to arbitrary code execution, but no exploit maturity or public weaponization evidence is provided.
Researcher notes
Key gaps are patch details, platform scope, and exploit status beyond KEV=false. Validate against Adobe APSB20-19 before making claims about fixed versions. The CVSS vector supports local, user-assisted exploitation with full CIA impact.
Mitigation direction
- Identify endpoints with Adobe Bridge 10.0.1 or earlier installed.
- Review Adobe APSB20-19 for vendor-approved updates or mitigation guidance.
- Prioritize remediation on creative workstations handling untrusted media or project files.
- Restrict use of vulnerable Bridge versions until vendor guidance is applied.
Validation and detection
- Inventory Adobe Bridge versions across managed endpoints.
- Confirm no system remains on Adobe Bridge 10.0.1 or earlier.
- Check vulnerability tooling maps this CVE to Adobe Bridge correctly.
- Document any exceptions with compensating controls and owner approval.
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-2020-9556 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.
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:H1.85.9Primary CVE scoreVulnerability 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
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/bridge/apsb20-19.htmlCVE reference · x_refsource_CONFIRM
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.