Security readout for executives and security teams
Plain-English summary
Adobe Bridge 11.1 and earlier can be compromised if a user opens a malicious SGI image file. Successful exploitation could let an attacker run code with that user’s permissions, creating risk to workstation data and connected resources.
Executive priority
Treat this as a high-priority endpoint remediation issue for teams using Adobe Bridge. It is not described as internet-exposed or actively exploited in the provided sources, but malicious-file execution risk can affect sensitive workstations.
Technical view
CVE-2021-36079 is a CWE-125 out-of-bounds read in Adobe Bridge SGI file parsing. A crafted .SGI file can trigger memory access past an allocated structure and may lead to code execution as the current user. CVSS 3.1 score is 7.8 high with required user interaction.
Likely exposure
Exposure is most likely on endpoints running Adobe Bridge 11.1 or earlier, especially creative, marketing, or media teams that handle externally supplied image files. The provided data does not name CPEs or additional products.
Exploitation context
The provided sources do not indicate CISA KEV listing or active exploitation. Exploitation requires user interaction: the victim must open a malicious SGI file. Risk rises where users routinely process untrusted image assets.
Researcher notes
The source bundle gives the core bug class, impact, user-interaction requirement, CVSS vector, and affected threshold. It does not provide exploit telemetry, detailed root cause, proof of concept, CPEs, or explicit fixed-version text.
Mitigation direction
- Check Adobe APSB21-69 and apply the vendor-recommended Bridge update or guidance.
- Inventory Adobe Bridge installations and prioritize versions 11.1 and earlier.
- Limit opening SGI files from untrusted sources until remediation is confirmed.
- Remove Adobe Bridge from systems where it is not operationally required.
- Run affected workflows with least-privileged user accounts where feasible.
Validation and detection
- Confirm Adobe Bridge version on managed endpoints, focusing on 11.1 and earlier.
- Verify vendor guidance from APSB21-69 has been applied to affected systems.
- Review endpoint inventory for unmanaged or legacy Bridge installations.
- Check mail and web controls for handling of untrusted SGI attachments or downloads.
- Document any exception where remediation cannot be completed promptly.
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 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-2021-36079 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/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.
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.