Security readout for executives and security teams
Plain-English summary
CVE-2017-5715 is a processor side-channel issue tied to speculative execution and indirect branch prediction. A local user could potentially infer sensitive information from another context. It is not a typical remote code execution bug, but it matters for shared servers, virtualization, desktops, and systems handling sensitive data.
Executive priority
Treat as a coordinated platform-hardening issue with broad asset reach, not an emergency remote compromise. Prioritize environments where untrusted users or code share hardware with sensitive workloads.
Technical view
The CVE describes unauthorized information disclosure through side-channel analysis on microprocessors using speculative execution and indirect branch prediction. The supplied CVSS vector is local, high complexity, low privileges, no user interaction, changed scope, high confidentiality impact, and no integrity or availability impact.
Likely exposure
Exposure is broad wherever affected speculative-execution processors are used, especially Intel microprocessor platforms, Linux systems, hypervisors, cloud or multi-user workloads, and endpoints with untrusted local code paths.
Exploitation context
The bundle does not support a claim of active exploitation; KEV is false. Exploitation requires local user access and side-channel conditions, making it harder than network exploitation but relevant in shared compute environments.
Researcher notes
Evidence is strongest for confidentiality risk and vendor update availability across major ecosystems. The supplied bundle does not prove active exploitation, specific exploit reliability, or a single universal fix across all platforms.
Mitigation direction
- Apply relevant vendor OS, kernel, hypervisor, and platform security updates.
- Follow CPU, firmware, and microcode guidance from the system or cloud vendor.
- Prioritize shared, multi-tenant, and sensitive-data systems first.
- Review vendor advisories for performance or compatibility tradeoffs.
- Maintain browser, runtime, and virtualization stack updates where applicable.
Validation and detection
- Inventory systems using speculative-execution processors and shared-user workloads.
- Confirm vendor advisory applicability for each operating system and platform.
- Verify deployed kernel, hypervisor, firmware, and microcode update status.
- Check cloud provider or hardware vendor guidance for managed infrastructure.
- Document accepted residual risk where mitigations are unavailable.
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-203: 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-2017-5715 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
- Medium
- CVSS
- 5.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/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:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N1.14Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.6MediumVector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- USN-3560-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- [debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security updateCVE reference · mailing-list, x_refsource_MLIST
- DSA-4187CVE reference · vendor-advisory, x_refsource_DEBIAN
- USN-3542-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- GLSA-201810-06CVE reference · vendor-advisory, x_refsource_GENTOO
- USN-3540-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- https://access.redhat.com/security/vulnerabilities/speculativeexecutionCVE reference · x_refsource_CONFIRM
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180002CVE reference · x_refsource_CONFIRM
- [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security updateCVE reference · mailing-list, x_refsource_MLIST
- USN-3597-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- [debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security updateCVE reference · mailing-list, x_refsource_MLIST
- https://security.googleblog.com/2018/01/todays-cpu-vulnerability-what-you-need.htmlCVE reference · x_refsource_MISC
- DSA-4213CVE reference · vendor-advisory, x_refsource_DEBIAN
- https://cert.vde.com/en-us/advisories/vde-2018-002CVE reference · x_refsource_CONFIRM
- DSA-4120CVE reference · vendor-advisory, x_refsource_DEBIAN
- USN-3580-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- https://support.f5.com/csp/article/K91229003CVE reference · x_refsource_CONFIRM
- USN-3531-3CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3620-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3582-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- DSA-4188CVE reference · vendor-advisory, x_refsource_DEBIAN
- RHSA-2018:0292CVE reference · vendor-advisory, x_refsource_REDHAT
- https://security.netapp.com/advisory/ntap-20180104-0001/CVE reference · x_refsource_CONFIRM
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.
