How severe is CVE-2015-0769?

CVE-2015-0769 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2015-0769 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-0769?

CVE-2015-0769 primarily affects Cisco Ios Xr Software. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-0769?

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-2015-0769 published?

CVE-2015-0769 was published on 2015-06-12 and last updated on 2026-06-17.

CVE-2015-0769

CVE-2015-0769 is a high-severity vulnerability in Cisco Ios Xr Software with a CVSS 2.0 base score of 7.8. 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-399.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Ios Xr Software
Published: 2015-06-12
Last modified: 2026-06-17

Description

Cisco IOS XR 4.0.1 through 4.2.0 for CRS-3 Carrier Routing System allows remote attackers to cause a denial of service (NPU ASIC scan and line-card reload) via crafted IPv6 extension headers, aka Bug ID CSCtx03546.

Frequently asked questions

What is CVE-2015-0769?: Cisco IOS XR 4.0.1 through 4.2.0 for CRS-3 Carrier Routing System allows remote attackers to cause a denial of service (NPU ASIC scan and line-card reload) via crafted IPv6 extension headers, aka Bug ID CSCtx03546.
How severe is CVE-2015-0769?: CVE-2015-0769 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2015-0769 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0769?: CVE-2015-0769 primarily affects Cisco Ios Xr Software. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-0769?: 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-2015-0769 published?: CVE-2015-0769 was published on 2015-06-12 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:o:cisco:ios_xr_software:4.0.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr_software:4.0.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr_software:4.0.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr_software:4.0.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr_software:4.0.11:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr_software:4.1.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr_software:4.1.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr_software:4.1.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr_software:4.1_base:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr_software:4.2.0:*:*:*:*:*:*:*

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →