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PatchSiren cyber security CVE debrief

CVE-2017-6076 Wolfssl CVE debrief

CVE-2017-6076 affects wolfSSL versions before 3.10.2. According to the published advisory text, the fp_mul_comba function can make it easier for a malicious user with access to view cache on a machine to extract RSA key information. The issue was published on 2017-02-24 and later NVD metadata confirms the fixed boundary at 3.10.2.

Vendor
Wolfssl
Product
Unknown
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2017-02-24
Original CVE updated
2026-05-13
Advisory published
2017-02-24
Advisory updated
2026-05-13

Who should care

Administrators and product teams using wolfSSL, especially in shared systems, appliances, embedded devices, or any environment where local users may have access to system caches or adjacent runtime data.

Technical summary

NVD classifies the issue as CVSS 3.0 5.5/Medium with vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N and CWE-200. The vulnerable CPE range covers wolfssl:wolfssl versions earlier than 3.10.2. The described impact is confidentiality-only exposure of RSA key information, and the vendor release reference points to 3.10.2 as the patch boundary.

Defensive priority

Medium priority. Treat as higher priority on multi-user hosts, shared appliances, or deployments where local privilege boundaries are important and caches may be accessible to untrusted users.

Recommended defensive actions

  • Upgrade wolfSSL to version 3.10.2 or later.
  • Inventory products and firmware that bundle wolfSSL and verify the embedded library version.
  • Restrict local user access and any ability to inspect process or system cache data on affected hosts.
  • Review vendor release notes and dependency update paths before redeploying affected systems.
  • If immediate upgrade is not possible, isolate affected systems and reduce local access exposure until patched.

Evidence notes

This debrief is grounded in the CVE description, the NVD record, and the wolfSSL 3.10.2 stable release reference. The NVD metadata lists wolfssl:wolfssl versions end-excluding 3.10.2 as vulnerable and assigns CWE-200. No CISA KEV entry was provided in the supplied corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2017-6076 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2017-6076

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2017-6076 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2017-6076

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.