Security readout for executives and security teams
Plain-English summary
CVE-2020-24454 is an XML External Entity issue in Intel Quartus Prime Pro and Standard. An unauthenticated actor with network access may be able to cause information disclosure. Exposure is most relevant where vulnerable Quartus systems or related services are reachable over a network.
Executive priority
Prioritize remediation for network-reachable engineering or FPGA design environments. Business urgency is moderate because the issue is unauthenticated information disclosure, but available evidence does not show known active exploitation.
Technical view
The CVE describes improper restriction of XML External Entity references in an Intel Quartus Prime subsystem. Affected versions are Quartus Prime Pro before 20.3 and Quartus Prime Standard before 20.2. The available bundle does not provide CVSS, CWE mapping, subsystem detail, or exploit mechanics.
Likely exposure
Organizations using Intel Quartus Prime Pro before 20.3 or Standard before 20.2 should treat affected installations as potentially exposed, especially if reachable by untrusted networks or users.
Exploitation context
The source states unauthenticated network access may enable information disclosure. CISA KEV status is false, and the provided sources do not cite active exploitation or public weaponization.
Researcher notes
Evidence is sparse. The bundle identifies an XXE-class issue, affected edition/version thresholds, and network-based unauthenticated information disclosure. It does not include CVSS metrics, affected subsystem internals, exploit prerequisites beyond network access, or detailed remediation text beyond version boundaries.
Mitigation direction
- Identify all Intel Quartus Prime Pro and Standard installations.
- Upgrade Pro to 20.3 or later where applicable.
- Upgrade Standard to 20.2 or later where applicable.
- Restrict network access to Quartus-related services and hosts.
- Review Intel advisory INTEL-SA-00446 for vendor-specific guidance.
Validation and detection
- Inventory installed Quartus edition and version on engineering systems.
- Confirm no Pro installations remain below 20.3.
- Confirm no Standard installations remain below 20.2.
- Check whether vulnerable systems are reachable from untrusted networks.
- Document compensating access controls where upgrades are delayed.
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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CVE-2020-24454 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00446CVE 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.