Security readout for executives and security teams
Plain-English summary
Adobe Bridge 11.0.2 and earlier can read memory outside expected bounds while parsing a malicious file. A successful attack could expose sensitive memory data from the current user’s session. The victim must open the malicious file, so this is mainly a workstation and user-targeting risk, not a remote server compromise.
Executive priority
Treat this as a low-priority workstation patching item unless Adobe Bridge is widely deployed or used with untrusted files. It does not indicate remote takeover, but it can expose sensitive memory in a targeted file-opening scenario.
Technical view
CVE-2021-35992 is a CWE-125 out-of-bounds read in Adobe Bridge file parsing, described as PostScript parsing in the title. The CVSS 3.1 score is 3.3 with local attack vector, no privileges required, required user interaction, and low confidentiality impact only. Integrity and availability are not listed as impacted.
Likely exposure
Exposure is limited to environments where Adobe Bridge 11.0.2 or earlier is installed and users may open untrusted or externally supplied files.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires user interaction: a target must open a specially crafted malicious file.
Researcher notes
The key constraints are CVSS AV:L and UI:R: the attacker needs local file-opening interaction, but no privileges. Impact is confidentiality-only and low. The available bundle does not provide exploit details, confirmed exploitation, or exact fixed-version text beyond the Adobe advisory reference.
Mitigation direction
- Review Adobe APSB21-53 and update Adobe Bridge according to vendor guidance.
- Identify and prioritize Bridge installations at version 11.0.2 or earlier.
- Warn users not to open unexpected files from untrusted sources.
- Apply normal endpoint controls for suspicious file delivery and execution paths.
Validation and detection
- Inventory endpoints for installed Adobe Bridge versions.
- Confirm whether any Bridge installation is 11.0.2 or earlier.
- Check vulnerability management records for CVE-2021-35992 coverage.
- Review user groups likely to receive external creative or document 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-125: Exact CWE lookup
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Open ATT&CK lookupCVE-2021-35992 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
- Low
- CVSS
- 3.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/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.
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:L/I:N/A:N1.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
3.3LowVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/bridge/apsb21-53.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.