Vulnerability in Cisco iOS Xr
CVE-2015-6432
Cisco IOS XR 4.2.0, 4.3.0, 5.0.0, 5.1.0, 5.2.0, 5.2.2, 5.2.4, 5.3.0, and 5.3.2 does not properly restrict the number of Path Computation Elements (PCEs) for OSPF LSA opaque area updates, which allows remote attackers to cause a denial of service (device reload) via a crafted update, aka Bug ID CSCuw83486.
EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Cisco Ios_xr — versions 4.2.0, 4.3.0, 5.0.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2015-6432?
- CVE-2015-6432 is a high-severity vulnerability in Cisco iOS Xr, classified under CWE-399. CVSS score: 7.5/10. Published 2016-01-05.
- How severe is CVE-2015-6432?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2015-6432 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.