Security readout for executives and security teams
Plain-English summary
Adobe Experience Manager has a servlet permission issue where unauthenticated network access could expose sensitive repository data. The impact described is read-only disclosure, not data modification or service disruption. Affected versions are AEM 6.5.5.0 and earlier, and 6.4.8.1 and earlier.
Executive priority
Treat as high priority for any internet-facing or partner-facing AEM deployment because the issue can expose sensitive repository data without requiring attacker credentials.
Technical view
CVE-2020-9733 is a CWE-200 information disclosure flaw in an AEM Java servlet that executes using a high-privileged service user. CVSS 3.1 is 7.5: network reachable, low complexity, no privileges, no user interaction, high confidentiality impact, no integrity or availability impact.
Likely exposure
Organizations running Adobe Experience Manager 6.5.5.0 or below, or 6.4.8.1 or below, may be exposed if vulnerable AEM endpoints are reachable by untrusted users or the internet.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The CVSS vector indicates exploitation may be possible remotely without authentication or user interaction, but the bundle does not provide exploit details.
Researcher notes
Evidence is limited to the CVE description, CVSS metadata, CWE-200 classification, and Adobe advisory reference. The bundle does not name vulnerable servlet paths, proof-of-concept status, or specific fixed build numbers.
Mitigation direction
- Inventory AEM instances and confirm exact Experience Manager versions.
- Review Adobe APSB20-56 for vendor-approved fixed versions or security packages.
- Apply Adobe-recommended updates through normal change control.
- Reduce untrusted network exposure to AEM instances where operationally possible.
- Monitor AEM access logs for unusual repository-read activity.
Validation and detection
- Verify no production AEM instance runs 6.5.5.0 or below.
- Verify no production AEM instance runs 6.4.8.1 or below.
- Confirm Adobe APSB20-56 remediation has been applied and recorded.
- Check external attack surface scans for exposed AEM services.
- Review access logs for suspicious unauthenticated requests to AEM servlets.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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 lookupCVE-2020-9733 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
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/experience-manager/apsb20-56.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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.