How severe is CVE-2017-5753?

CVE-2017-5753 has a CVSS score of 5.6/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2017-5753?

Affected package information for CVE-2017-5753 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2017-5753?

No fixed version has been published for CVE-2017-5753 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2017-5753 actively exploited in the wild?

Yes. There are 15 known exploit references for CVE-2017-5753, including 2 documented proof-of-concept exploits on Exploit-DB and 8 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2017-5753?

CVE-2017-5753 has an EPSS (Exploit Prediction Scoring System) score of 94.3%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

When was CVE-2017-5753 published, and has it been updated?

CVE-2017-5753 was published on January 4, 2018 and was last updated on April 16, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2017-5753

MEDIUM

Published

Jan 4, 2018

Updated

Apr 16, 2026

Affected

0 pkgs

Patched

None yet

Exploits

15 known

EPSS Exploitation Probability

via FIRST.org ↗

94.3%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

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

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-43427localmultiple

Multiple CPUs - 'Spectre' Information Disclosure

by Multiple · Jan 3, 2018

Exploit-DB Source

Frequently Asked Questions

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

O3 Security · Impact-Aware SCA

Is CVE-2017-5753 in your stack?

O3 detects CVE-2017-5753 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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