Security readout for executives and security teams
Plain-English summary
Adobe Bridge 11.1 and earlier can be abused through a malicious Bridge file to run code as the signed-in user. The issue requires user interaction, so the main business concern is endpoint compromise after someone opens untrusted content.
Executive priority
Prioritize as a high-risk desktop software issue where creative workflows handle external files. It is not described as remotely exploitable without user action, but successful exploitation could give an attacker code execution on a user workstation.
Technical view
CVE-2021-36075 is a CWE-120 buffer overflow in Adobe Bridge’s handling of a malicious Bridge file. CVSS 3.1 is 7.8, with local attack vector, low complexity, no privileges required, and required user interaction. Successful exploitation may provide confidentiality, integrity, and availability impact as the current user.
Likely exposure
Exposure is most likely on workstations running Adobe Bridge 11.1 or earlier, especially teams that receive or process external creative assets. The source bundle does not identify server-side exposure or other Adobe products as affected.
Exploitation context
The bundle says user interaction is required. CISA KEV status is false, and no cited source in the bundle confirms active exploitation. Treat exploitation as plausible through malicious files, but not confirmed as exploited in the wild from these sources.
Researcher notes
Evidence is limited to the CVE record and Adobe advisory reference. The available data supports arbitrary code execution through malicious-file parsing, but does not provide exploit maturity, fixed-version details, or detection indicators in the supplied bundle.
Mitigation direction
- Inventory Adobe Bridge installations and identify versions 11.1 or earlier.
- Follow Adobe APSB21-69 guidance for the vendor-supported remediation path.
- Restrict opening Bridge files from untrusted sources until affected systems are remediated.
- Prioritize remediation for users handling external media or client-supplied assets.
- Monitor endpoints for unexpected Adobe Bridge behavior or child processes.
Validation and detection
- Confirm installed Adobe Bridge versions across managed endpoints.
- Check whether any systems remain on version 11.1 or earlier.
- Verify remediation against Adobe APSB21-69, not an assumed fixed version.
- Review endpoint telemetry for suspicious Bridge-launched processes.
- Confirm user-facing controls discourage opening unsolicited Bridge 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-120: Exact CWE lookup
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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-2021-36075 mapping review
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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/apsb21-69.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.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.