Security readout for executives and security teams
Plain-English summary
CVE-2021-36077 is a denial-of-service issue in Adobe Bridge 11.1 and earlier. A malicious SVG file can corrupt memory and crash the local application. It requires a user to open or interact with the file, so business risk is mainly disruption on creative or content-handling workstations, not remote server compromise.
Executive priority
Treat this as a moderate endpoint availability issue. Prioritize creative, marketing, design, and content teams that receive external SVG files. It does not indicate data theft or remote takeover from the supplied evidence, but repeated crashes can disrupt workflows.
Technical view
Adobe Bridge insecurely handles malicious SVG files, causing memory corruption classified as CWE-788. The CVSS 3.1 score is 5.5 with local attack vector, low complexity, no privileges required, required user interaction, unchanged scope, no confidentiality or integrity impact, and high availability impact.
Likely exposure
Exposure is most likely on endpoints running Adobe Bridge 11.1 or earlier, especially systems used to preview, manage, or process externally supplied SVG assets. The provided sources do not identify server-side exposure or additional affected Adobe products.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. Exploitation requires user interaction with a malicious SVG file and would affect the current user's local Adobe Bridge application availability.
Researcher notes
Key constraints are AV:L and UI:R, with impact limited to availability in the source data. Validate exposure through installed-version checks and workflow analysis for SVG intake. The bundle does not provide exploit details, fixed version mapping, or evidence of active exploitation.
Mitigation direction
- Identify workstations running Adobe Bridge 11.1 or earlier.
- Check Adobe APSB21-69 for vendor update guidance and apply applicable updates.
- Avoid opening untrusted SVG files in Bridge until remediated.
- Use endpoint controls to reduce exposure to externally supplied SVG files.
Validation and detection
- Inventory Adobe Bridge versions across managed endpoints.
- Confirm whether Bridge 11.1 or earlier is installed.
- Review Adobe APSB21-69 against deployed versions.
- Verify users handling SVG assets have updated Bridge builds.
- Confirm no unsupported mitigation is treated as a patch.
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
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CWE-788: Exact CWE lookup
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Open ATT&CK lookupCVE-2021-36077 mapping review
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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:N/I:N/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:N/I:N/A:H1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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.
Access of Memory Location After End of Buffer
Access of Memory Location After End of Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.