CVE-2015-4191
CVE-2015-4191 is a medium-severity vulnerability in Cisco Ios Xr with a CVSS 2.0 base score of 5.0. 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: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 3% (86th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-399
- Affected product: Cisco Ios Xr
- Published:
- Last modified:
Description
Cisco IOS XR 5.2.1 allows remote attackers to cause a denial of service (ipv6_io service reload) via a malformed IPv6 packet, aka Bug ID CSCuq95565.
Frequently asked questions
- What is CVE-2015-4191?
- Cisco IOS XR 5.2.1 allows remote attackers to cause a denial of service (ipv6_io service reload) via a malformed IPv6 packet, aka Bug ID CSCuq95565.
- How severe is CVE-2015-4191?
- CVE-2015-4191 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2015-4191 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-4191?
- CVE-2015-4191 affects Cisco Ios Xr. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-4191?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2015-4191 published?
- CVE-2015-4191 was published on 2015-06-19 and last updated on 2026-06-17.
References
- http://tools.cisco.com/security/center/viewAlert.x?alertId=39383
- http://www.securityfocus.com/bid/75260
- http://www.securitytracker.com/id/1032615
Affected products (1)
- cpe:2.3:o:cisco:ios_xr:5.2.1:*:*:*:*:*:*:*
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