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Vulnerability Details : CVE-2019-1910

A vulnerability in the implementation of the Intermediate System–to–Intermediate System (IS–IS) routing protocol functionality in Cisco IOS XR Software could allow an unauthenticated attacker who is in the same IS–IS area to cause a denial of service (DoS) condition. The vulnerability is due to incorrect processing of crafted IS–IS link-state protocol data units (PDUs). An attacker could exploit this vulnerability by sending a crafted link-state PDU to an affected system to be processed. A successful exploit could allow the attacker to cause all routers within the IS–IS area to unexpectedly restart the IS–IS process, resulting in a DoS condition. This vulnerability affects Cisco devices if they are running a vulnerable release of Cisco IOS XR Software earlier than Release 6.6.3 and are configured with the IS–IS routing protocol. Cisco has confirmed that this vulnerability affects both Cisco IOS XR 32-bit Software and Cisco IOS XR 64-bit Software.
Publish Date : 2019-08-07 Last Update Date : 2019-10-09
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- CVSS Scores & Vulnerability Types

CVSS Score
6.1
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 20

- Products Affected By CVE-2019-1910

# Product Type Vendor Product Version Update Edition Language
1 OS Cisco Carrier Routing System 7.0.1 Version Details Vulnerabilities
2 OS Cisco Ios Xr - Version Details Vulnerabilities
3 OS Cisco Ios Xr 2.0 Version Details Vulnerabilities
4 OS Cisco Ios Xr 2.0(.0) Version Details Vulnerabilities
5 OS Cisco Ios Xr 2.0.0 Version Details Vulnerabilities
6 OS Cisco Ios Xr 3.0 Version Details Vulnerabilities
7 OS Cisco Ios Xr 3.0(.0) Version Details Vulnerabilities
8 OS Cisco Ios Xr 3.0.0 Version Details Vulnerabilities
9 OS Cisco Ios Xr 3.0(.1) Version Details Vulnerabilities
10 OS Cisco Ios Xr 3.0.1 Version Details Vulnerabilities
11 OS Cisco Ios Xr 3.1 Version Details Vulnerabilities
12 OS Cisco Ios Xr 3.1.0 Version Details Vulnerabilities
13 OS Cisco Ios Xr 3.2 Version Details Vulnerabilities
14 OS Cisco Ios Xr 3.2(.0) Version Details Vulnerabilities
15 OS Cisco Ios Xr 3.2.0 Version Details Vulnerabilities
16 OS Cisco Ios Xr 3.2(.1) Version Details Vulnerabilities
17 OS Cisco Ios Xr 3.2.1 Version Details Vulnerabilities
18 OS Cisco Ios Xr 3.2(.2) Version Details Vulnerabilities
19 OS Cisco Ios Xr 3.2.2 Version Details Vulnerabilities
20 OS Cisco Ios Xr 3.2.3 Version Details Vulnerabilities
21 OS Cisco Ios Xr 3.2(.3) Version Details Vulnerabilities
22 OS Cisco Ios Xr 3.2(.4) Version Details Vulnerabilities
23 OS Cisco Ios Xr 3.2.4 Version Details Vulnerabilities
24 OS Cisco Ios Xr 3.2(.6) Version Details Vulnerabilities
25 OS Cisco Ios Xr 3.2.6 Version Details Vulnerabilities
26 OS Cisco Ios Xr 3.2(.50) Version Details Vulnerabilities
27 OS Cisco Ios Xr 3.2.50 Version Details Vulnerabilities
28 OS Cisco Ios Xr 3.3 Version Details Vulnerabilities
29 OS Cisco Ios Xr 3.3.0 Version Details Vulnerabilities
30 OS Cisco Ios Xr 3.3(.0) Version Details Vulnerabilities
31 OS Cisco Ios Xr 3.3.1 Version Details Vulnerabilities
32 OS Cisco Ios Xr 3.3(.1) Version Details Vulnerabilities
33 OS Cisco Ios Xr 3.3.2 Version Details Vulnerabilities
34 OS Cisco Ios Xr 3.3(.2) Version Details Vulnerabilities
35 OS Cisco Ios Xr 3.3.3 Version Details Vulnerabilities
36 OS Cisco Ios Xr 3.3(.3) Version Details Vulnerabilities
37 OS Cisco Ios Xr 3.3.4 Version Details Vulnerabilities
38 OS Cisco Ios Xr 3.3(.4) Version Details Vulnerabilities
39 OS Cisco Ios Xr 3.3.5 Version Details Vulnerabilities
40 OS Cisco Ios Xr 3.4 Version Details Vulnerabilities
41 OS Cisco Ios Xr 3.4.0 Version Details Vulnerabilities
42 OS Cisco Ios Xr 3.4(.0) Version Details Vulnerabilities
43 OS Cisco Ios Xr 3.4.1 Version Details Vulnerabilities
44 OS Cisco Ios Xr 3.4(.1) Version Details Vulnerabilities
45 OS Cisco Ios Xr 3.4.2 Version Details Vulnerabilities
46 OS Cisco Ios Xr 3.4(.2) Version Details Vulnerabilities
47 OS Cisco Ios Xr 3.4.3 Version Details Vulnerabilities
48 OS Cisco Ios Xr 3.4(.3) Version Details Vulnerabilities
49 OS Cisco Ios Xr 3.5 Version Details Vulnerabilities
50 OS Cisco Ios Xr 3.5.0 Version Details Vulnerabilities
51 OS Cisco Ios Xr 3.5(.0) Version Details Vulnerabilities
52 OS Cisco Ios Xr 3.5.1 Version Details Vulnerabilities
53 OS Cisco Ios Xr 3.5(.1) Version Details Vulnerabilities
54 OS Cisco Ios Xr 3.5.2 Version Details Vulnerabilities
55 OS Cisco Ios Xr 3.5(.2) Version Details Vulnerabilities
56 OS Cisco Ios Xr 3.5.3 Version Details Vulnerabilities
57 OS Cisco Ios Xr 3.5(.3) Version Details Vulnerabilities
58 OS Cisco Ios Xr 3.5.4 Version Details Vulnerabilities
59 OS Cisco Ios Xr 3.5(.4) Version Details Vulnerabilities
60 OS Cisco Ios Xr 3.6 Base Version Details Vulnerabilities
61 OS Cisco Ios Xr 3.6 Version Details Vulnerabilities
62 OS Cisco Ios Xr 3.6.0 Version Details Vulnerabilities
63 OS Cisco Ios Xr 3.6(.1) Version Details Vulnerabilities
64 OS Cisco Ios Xr 3.6.1 Version Details Vulnerabilities
65 OS Cisco Ios Xr 3.6(.2) Version Details Vulnerabilities
66 OS Cisco Ios Xr 3.6.2 Version Details Vulnerabilities
67 OS Cisco Ios Xr 3.6.3 Version Details Vulnerabilities
68 OS Cisco Ios Xr 3.6(.3) Version Details Vulnerabilities
69 OS Cisco Ios Xr 3.7 Version Details Vulnerabilities
70 OS Cisco Ios Xr 3.7 Base Version Details Vulnerabilities
71 OS Cisco Ios Xr 3.7.0 Version Details Vulnerabilities
72 OS Cisco Ios Xr 3.7.1 Version Details Vulnerabilities
73 OS Cisco Ios Xr 3.7(.1) Version Details Vulnerabilities
74 OS Cisco Ios Xr 3.7.2 Version Details Vulnerabilities
75 OS Cisco Ios Xr 3.7(.2) Version Details Vulnerabilities
76 OS Cisco Ios Xr 3.7(.3) Version Details Vulnerabilities
77 OS Cisco Ios Xr 3.7.3 Version Details Vulnerabilities
78 OS Cisco Ios Xr 3.8.0 Version Details Vulnerabilities
79 OS Cisco Ios Xr 3.8(.0) Version Details Vulnerabilities
80 OS Cisco Ios Xr 3.8.1 Version Details Vulnerabilities
81 OS Cisco Ios Xr 3.8(.1) Version Details Vulnerabilities
82 OS Cisco Ios Xr 3.8.2 Version Details Vulnerabilities
83 OS Cisco Ios Xr 3.8(.2) Version Details Vulnerabilities
84 OS Cisco Ios Xr 3.8.3 Version Details Vulnerabilities
85 OS Cisco Ios Xr 3.8(.3) Version Details Vulnerabilities
86 OS Cisco Ios Xr 3.8.4 Version Details Vulnerabilities
87 OS Cisco Ios Xr 3.8(.4) Version Details Vulnerabilities
88 OS Cisco Ios Xr 3.9(.0) Version Details Vulnerabilities
89 OS Cisco Ios Xr 3.9.0 Version Details Vulnerabilities
90 OS Cisco Ios Xr 3.9(.1) Version Details Vulnerabilities
91 OS Cisco Ios Xr 3.9.1 Version Details Vulnerabilities
92 OS Cisco Ios Xr 3.9(.2) Version Details Vulnerabilities
93 OS Cisco Ios Xr 3.9.2 Version Details Vulnerabilities
94 OS Cisco Ios Xr 3.9.3 Version Details Vulnerabilities
95 OS Cisco Ios Xr 4.0 Base Version Details Vulnerabilities
96 OS Cisco Ios Xr 4.0(.0) Version Details Vulnerabilities
97 OS Cisco Ios Xr 4.0.0 Version Details Vulnerabilities
98 OS Cisco Ios Xr 4.0(.1) Version Details Vulnerabilities
99 OS Cisco Ios Xr 4.0.1 Version Details Vulnerabilities
100 OS Cisco Ios Xr 4.0(.2) Version Details Vulnerabilities
101 OS Cisco Ios Xr 4.0.2 Version Details Vulnerabilities
102 OS Cisco Ios Xr 4.0.3 Version Details Vulnerabilities
103 OS Cisco Ios Xr 4.0(.3) Version Details Vulnerabilities
104 OS Cisco Ios Xr 4.0(.4) Version Details Vulnerabilities
105 OS Cisco Ios Xr 4.0.4 Version Details Vulnerabilities
106 OS Cisco Ios Xr 4.0(.11) Version Details Vulnerabilities
107 OS Cisco Ios Xr 4.0.11 Version Details Vulnerabilities
108 OS Cisco Ios Xr 4.1 Base Version Details Vulnerabilities
109 OS Cisco Ios Xr 4.1 Version Details Vulnerabilities
110 OS Cisco Ios Xr 4.1(.0) Version Details Vulnerabilities
111 OS Cisco Ios Xr 4.1.0 Version Details Vulnerabilities
112 OS Cisco Ios Xr 4.1(.1) Version Details Vulnerabilities
113 OS Cisco Ios Xr 4.1.1 Version Details Vulnerabilities
114 OS Cisco Ios Xr 4.1(.2) Version Details Vulnerabilities
115 OS Cisco Ios Xr 4.1.2 Version Details Vulnerabilities
116 OS Cisco Ios Xr 4.2.0 Version Details Vulnerabilities
117 OS Cisco Ios Xr 4.2(.0) Version Details Vulnerabilities
118 OS Cisco Ios Xr 4.2.1 Version Details Vulnerabilities
119 OS Cisco Ios Xr 4.2(.1) Version Details Vulnerabilities
120 OS Cisco Ios Xr 4.2.2 Version Details Vulnerabilities
121 OS Cisco Ios Xr 4.2(.2) Version Details Vulnerabilities
122 OS Cisco Ios Xr 4.2.3 Version Details Vulnerabilities
123 OS Cisco Ios Xr 4.2(.3) Version Details Vulnerabilities
124 OS Cisco Ios Xr 4.2.4 Version Details Vulnerabilities
125 OS Cisco Ios Xr 4.2(.4) Version Details Vulnerabilities
126 OS Cisco Ios Xr 4.3(.0) Version Details Vulnerabilities
127 OS Cisco Ios Xr 4.3.0 Version Details Vulnerabilities
128 OS Cisco Ios Xr 4.3.1 Version Details Vulnerabilities
129 OS Cisco Ios Xr 4.3.2 Version Details Vulnerabilities
130 OS Cisco Ios Xr 4.3.3 Version Details Vulnerabilities
131 OS Cisco Ios Xr 4.3.4 Version Details Vulnerabilities
132 OS Cisco Ios Xr 5.0 Base Version Details Vulnerabilities
133 OS Cisco Ios Xr 5.0.0 Version Details Vulnerabilities
134 OS Cisco Ios Xr 5.0.1 Version Details Vulnerabilities
135 OS Cisco Ios Xr 5.1.0 Version Details Vulnerabilities
136 OS Cisco Ios Xr 5.1.1 Version Details Vulnerabilities
137 OS Cisco Ios Xr 5.1.1.k9sec Version Details Vulnerabilities
138 OS Cisco Ios Xr 5.1.2 Version Details Vulnerabilities
139 OS Cisco Ios Xr 5.1.3 Version Details Vulnerabilities
140 OS Cisco Ios Xr 5.2.0 Version Details Vulnerabilities
141 OS Cisco Ios Xr 5.2.1 Version Details Vulnerabilities
142 OS Cisco Ios Xr 5.2.2 Version Details Vulnerabilities
143 OS Cisco Ios Xr 5.2.4 Version Details Vulnerabilities
144 OS Cisco Ios Xr 5.3.0 Version Details Vulnerabilities
145 OS Cisco Ios Xr 5.3.0 Base Version Details Vulnerabilities
146 OS Cisco Ios Xr 5.3.2 Version Details Vulnerabilities
147 OS Cisco Ios Xr 6.0 Base Version Details Vulnerabilities
148 OS Cisco Ios Xr 6.0.0 Version Details Vulnerabilities
149 OS Cisco Ios Xr 6.0.1 Version Details Vulnerabilities
150 OS Cisco Ios Xr 6.0.2 Version Details Vulnerabilities
151 OS Cisco Ios Xr 6.0.2.01 Version Details Vulnerabilities
152 OS Cisco Ios Xr 6.1.0 Version Details Vulnerabilities
153 OS Cisco Ios Xr 6.1.1 Version Details Vulnerabilities
154 OS Cisco Ios Xr 6.2.1 Version Details Vulnerabilities
155 OS Cisco Ios Xr 6.4.1 Base Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cisco Carrier Routing System 1
Cisco Ios Xr 154

- References For CVE-2019-1910

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190807-iosxr-isis-dos-1910
CISCO 20190807 Cisco IOS XR Software Intermediate System System Denial of Service Vulnerability

- Metasploit Modules Related To CVE-2019-1910

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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