Security readout for executives and security teams
Plain-English summary
This flaw affects Dell EMC Avamar Server and Integrated Data Protection Appliance versions listed in the sources. A remote unauthenticated attacker could send malformed XML that may expose some information or disrupt service. Business urgency is high where these backup systems are reachable from untrusted networks because backup availability is operationally important.
Executive priority
Treat this as a high-priority backup-platform risk. It can affect backup service availability and may expose information without authentication. Prioritize assets that protect critical recovery operations or are reachable outside tightly controlled administrative networks.
Technical view
CVE-2019-3752 is an XML External Entity injection issue, CWE-611, in Dell EMC Avamar Server 7.4.1, 7.5.0, 7.5.1, 18.2, 19.1 and IDPA 2.0 through 2.4. CVSS 3.0 is 8.2 with network attack vector, low complexity, no privileges, no user interaction, low confidentiality impact, and high availability impact.
Likely exposure
Exposure is most likely in environments running the named Dell EMC backup platforms, especially if Avamar or IDPA XML-processing interfaces are reachable by unauthenticated users from untrusted networks. The provided affected-product metadata is incomplete, so verify against Dell DSA-2019-119.
Exploitation context
The source bundle does not cite active exploitation, and KEV status is false. The described attack requires sending specially crafted DTDs in an XML request. Sources support potential denial of service and information exposure, but do not provide exploit prevalence or observed campaigns.
Researcher notes
Evidence supports XXE via crafted XML DTDs with unauthenticated network access. The bundle provides CVSS and affected ranges but not patch details, endpoint specifics, proof of exploitation, or detailed detection logic. Avoid assuming exploit maturity beyond the cited description.
Mitigation direction
- Review Dell DSA-2019-119 for vendor-approved fixes or workarounds.
- Prioritize remediation for internet-facing or broadly reachable Avamar and IDPA systems.
- Restrict access to affected management or API surfaces where operationally feasible.
- Monitor vendor guidance before assuming a specific patch level or configuration fix.
Validation and detection
- Inventory Avamar Server and IDPA versions against the listed affected ranges.
- Confirm whether XML-facing interfaces accept unauthenticated remote requests.
- Check exposure from untrusted networks, including VPN, partner, and internet paths.
- Review service logs for XML parsing errors, unusual DTD activity, or availability anomalies.
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-611: 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 lookupCVE-2019-3752 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
- 8.2 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H3.94.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.2HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/security/en-us/details/537853/DSA-2019-119-Dell-EMC-Avamar-XML-External-Entity-Injection-VulnerabilityCVE 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.
Improper Restriction of XML External Entity Reference
Improper Restriction of XML External Entity Reference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.