How severe is CVE-2015-7599?

CVE-2015-7599 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-7599 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7599?

CVE-2015-7599 primarily affects Windriver Vxworks. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-7599?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-7599 published?

CVE-2015-7599 was published on 2017-02-07 and last updated on 2026-06-17.

CVE-2015-7599

CVE-2015-7599 is a high-severity vulnerability in Windriver Vxworks with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 9.3
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Windriver Vxworks
Published: 2017-02-07
Last modified: 2026-06-17

Description

Integer overflow in the _authenticate function in svc_auth.c in Wind River VxWorks 5.5 through 6.9.4.1, when the Remote Procedure Call (RPC) protocol is enabled, allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a username and password.

Frequently asked questions

What is CVE-2015-7599?: Integer overflow in the _authenticate function in svc_auth.c in Wind River VxWorks 5.5 through 6.9.4.1, when the Remote Procedure Call (RPC) protocol is enabled, allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a username and password.
How severe is CVE-2015-7599?: CVE-2015-7599 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-7599 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7599?: CVE-2015-7599 primarily affects Windriver Vxworks. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-7599?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-7599 published?: CVE-2015-7599 was published on 2017-02-07 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:*
cpe:2.3:o:windriver:vxworks:5.5:*:*:*:*:*:*:*
cpe:2.3:o:windriver:vxworks:6.4:*:*:*:*:*:*:*
cpe:2.3:o:windriver:vxworks:6.7:*:*:*:*:*:*:*
cpe:2.3:o:windriver:vxworks:6.8:*:*:*:*:*:*:*
cpe:2.3:o:windriver:vxworks:6.9:*:*:*:*:*:*:*

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