CVE-2020-3226

A vulnerability in the Session Initiation Protocol (SIP) library of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient sanity checks on received SIP messages. An attacker could exploit this vulnerability by sending crafted SIP messages to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service condition.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
ciscoCNA
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 72%
VendorProductVersion
ciscoios
15.0\(2\)sg11a
ciscoios
15.3\(3\)jaa1
ciscoios
15.3\(3\)jpi
ciscoios
15.3\(3\)jpj
ciscoios
15.3\(3\)m
ciscoios
15.3\(3\)m1
ciscoios
15.3\(3\)m2
ciscoios
15.3\(3\)m3
ciscoios
15.3\(3\)m4
ciscoios
15.3\(3\)m5
ciscoios
15.3\(3\)m6
ciscoios
15.3\(3\)m7
ciscoios
15.3\(3\)m8
ciscoios
15.3\(3\)m8a
ciscoios
15.3\(3\)m9
ciscoios
15.3\(3\)m10
ciscoios
15.3\(3\)xb12
ciscoios
15.4\(1\)cg
ciscoios
15.4\(1\)t
ciscoios
15.4\(1\)t1
ciscoios
15.4\(1\)t2
ciscoios
15.4\(1\)t3
ciscoios
15.4\(1\)t4
ciscoios
15.4\(2\)cg
ciscoios
15.4\(2\)t
ciscoios
15.4\(2\)t1
ciscoios
15.4\(2\)t2
ciscoios
15.4\(2\)t3
ciscoios
15.4\(2\)t4
ciscoios
15.4\(3\)m
ciscoios
15.4\(3\)m1
ciscoios
15.4\(3\)m2
ciscoios
15.4\(3\)m3
ciscoios
15.4\(3\)m4
ciscoios
15.4\(3\)m5
ciscoios
15.4\(3\)m6
ciscoios
15.4\(3\)m6a
ciscoios
15.4\(3\)m7
ciscoios
15.4\(3\)m7a
ciscoios
15.4\(3\)m8
ciscoios
15.4\(3\)m9
ciscoios
15.4\(3\)m10
ciscoios
15.5\(1\)t
ciscoios
15.5\(1\)t1
ciscoios
15.5\(1\)t2
ciscoios
15.5\(1\)t3
ciscoios
15.5\(1\)t4
ciscoios
15.5\(2\)t
ciscoios
15.5\(2\)t1
ciscoios
15.5\(2\)t2
ciscoios
15.5\(2\)t3
ciscoios
15.5\(2\)t4
ciscoios
15.5\(2\)xb
ciscoios
15.5\(3\)m
ciscoios
15.5\(3\)m1
ciscoios
15.5\(3\)m2
ciscoios
15.5\(3\)m2a
ciscoios
15.5\(3\)m3
ciscoios
15.5\(3\)m4
ciscoios
15.5\(3\)m4a
ciscoios
15.5\(3\)m4b
ciscoios
15.5\(3\)m4c
ciscoios
15.5\(3\)m5
ciscoios
15.5\(3\)m6
ciscoios
15.5\(3\)m6a
ciscoios
15.5\(3\)m7
ciscoios
15.5\(3\)m8
ciscoios
15.5\(3\)m9
ciscoios
15.5\(3\)m10
ciscoios
15.6\(1\)t
ciscoios
15.6\(1\)t0a
ciscoios
15.6\(1\)t1
ciscoios
15.6\(1\)t2
ciscoios
15.6\(1\)t3
ciscoios
15.6\(2\)t
ciscoios
15.6\(2\)t1
ciscoios
15.6\(2\)t2
ciscoios
15.6\(2\)t3
ciscoios
15.6\(3\)m
ciscoios
15.6\(3\)m0a
ciscoios
15.6\(3\)m1
ciscoios
15.6\(3\)m1a
ciscoios
15.6\(3\)m1b
ciscoios
15.6\(3\)m2
ciscoios
15.6\(3\)m2a
ciscoios
15.6\(3\)m3
ciscoios
15.6\(3\)m3a
ciscoios
15.6\(3\)m4
ciscoios
15.6\(3\)m5
ciscoios
15.6\(3\)m6
ciscoios
15.6\(3\)m6a
ciscoios
15.6\(3\)m7
ciscoios
15.7\(3\)m
ciscoios
15.7\(3\)m1
ciscoios
15.7\(3\)m2
ciscoios
15.7\(3\)m3
ciscoios
15.7\(3\)m4
ciscoios
15.7\(3\)m4a
ciscoios
15.7\(3\)m4b
ciscoios
15.8\(3\)m
ciscoios
15.8\(3\)m0a
ciscoios
15.8\(3\)m1
ciscoios
15.8\(3\)m2
ciscoios_xe
3.10.0s:s
ciscoios_xe
3.10.1s:s
ciscoios_xe
3.10.2as:as
ciscoios_xe
3.10.2s:s
ciscoios_xe
3.10.2ts:ts
ciscoios_xe
3.10.3s:s
ciscoios_xe
3.10.4s:s
ciscoios_xe
3.10.5s:s
ciscoios_xe
3.10.6s:s
ciscoios_xe
3.10.7s:s
ciscoios_xe
3.10.8as:as
ciscoios_xe
3.10.8s:s
ciscoios_xe
3.10.9s:s
ciscoios_xe
3.10.10s:s
ciscoios_xe
3.11.0s:s
ciscoios_xe
3.11.1s:s
ciscoios_xe
3.11.2s:s
ciscoios_xe
3.11.3s:s
ciscoios_xe
3.11.4s:s
ciscoios_xe
3.12.0as:as
ciscoios_xe
3.12.0s:s
ciscoios_xe
3.12.1s:s
ciscoios_xe
3.12.2s:s
ciscoios_xe
3.12.3s:s
ciscoios_xe
3.12.4s:s
ciscoios_xe
3.13.0s:s
ciscoios_xe
3.13.1s:s
ciscoios_xe
3.13.2as:as
ciscoios_xe
3.13.2s:s
ciscoios_xe
3.13.3s:s
ciscoios_xe
3.13.4s:s
ciscoios_xe
3.13.5as:as
ciscoios_xe
3.13.5s:s
ciscoios_xe
3.13.6as:as
ciscoios_xe
3.13.6bs:bs
ciscoios_xe
3.13.6s:s
ciscoios_xe
3.13.7as:as
ciscoios_xe
3.13.7s:s
ciscoios_xe
3.13.8s:s
ciscoios_xe
3.13.9s:s
ciscoios_xe
3.13.10s:s
ciscoios_xe
3.14.0s:s
ciscoios_xe
3.14.1s:s
ciscoios_xe
3.14.2s:s
ciscoios_xe
3.14.3s:s
ciscoios_xe
3.14.4s:s
ciscoios_xe
3.15.0s:s
ciscoios_xe
3.15.1cs:cs
ciscoios_xe
3.15.1s:s
ciscoios_xe
3.15.2s:s
ciscoios_xe
3.15.3s:s
ciscoios_xe
3.15.4s:s
ciscoios_xe
3.16.0cs:cs
ciscoios_xe
3.16.0s:s
ciscoios_xe
3.16.1as:as
ciscoios_xe
3.16.1s:s
ciscoios_xe
3.16.2bs:bs
ciscoios_xe
3.16.2s:s
ciscoios_xe
3.16.3s:s
ciscoios_xe
3.16.4as:as
ciscoios_xe
3.16.4bs:bs
ciscoios_xe
3.16.4cs:cs
ciscoios_xe
3.16.4ds:ds
ciscoios_xe
3.16.4es:es
ciscoios_xe
3.16.4gs:gs
ciscoios_xe
3.16.5as:as
ciscoios_xe
3.16.5bs:bs
ciscoios_xe
3.16.5s:s
ciscoios_xe
3.16.6bs:bs
ciscoios_xe
3.16.6s:s
ciscoios_xe
3.16.7as:as
ciscoios_xe
3.16.7bs:bs
ciscoios_xe
3.16.7s:s
ciscoios_xe
3.16.8s:s
ciscoios_xe
3.16.9s:s
ciscoios_xe
3.16.10s:s
ciscoios_xe
3.17.0s:s
ciscoios_xe
3.17.1as:as
ciscoios_xe
3.17.1s:s
ciscoios_xe
3.17.2s:s
ciscoios_xe
3.17.3s:s
ciscoios_xe
3.17.4s:s
ciscoios_xe
3.18.0as:as
ciscoios_xe
3.18.1asp:asp
ciscoios_xe
3.18.1sp:sp
ciscoios_xe
3.18.2asp:asp
ciscoios_xe
3.18.3asp:asp
ciscoios_xe
3.18.3bsp:bsp
ciscoios_xe
3.18.3sp:sp
ciscoios_xe
3.18.4sp:sp
ciscoios_xe
3.18.5sp:sp
ciscoios_xe
3.18.6sp:sp
ciscoios_xe
16.2.1
ciscoios_xe
16.2.2
ciscoios_xe
16.3.1
ciscoios_xe
16.3.1a:a
ciscoios_xe
16.3.2
ciscoios_xe
16.3.3
ciscoios_xe
16.3.4
ciscoios_xe
16.3.5
ciscoios_xe
16.3.6
ciscoios_xe
16.3.7
ciscoios_xe
16.3.8
ciscoios_xe
16.3.9
ciscoios_xe
16.4.1
ciscoios_xe
16.4.2
ciscoios_xe
16.4.3
ciscoios_xe
16.5.1
ciscoios_xe
16.5.1b:b
ciscoios_xe
16.5.2
ciscoios_xe
16.5.3
ciscoios_xe
16.6.1
ciscoios_xe
16.6.2
ciscoios_xe
16.6.3
ciscoios_xe
16.6.4
ciscoios_xe
16.6.4s:s
ciscoios_xe
16.6.5
ciscoios_xe
16.6.5b:b
ciscoios_xe
16.6.6
ciscoios_xe
16.7.1
ciscoios_xe
16.7.1a:a
ciscoios_xe
16.7.1b:b
ciscoios_xe
16.7.2
ciscoios_xe
16.7.3
ciscoios_xe
16.7.4
ciscoios_xe
16.8.1
ciscoios_xe
16.8.1a:a
ciscoios_xe
16.8.1c:c
ciscoios_xe
16.8.1d:d
ciscoios_xe
16.8.1e:e
ciscoios_xe
16.8.1s:s
ciscoios_xe
16.8.2
ciscoios_xe
16.8.3
ciscoios_xe
16.9.1
ciscoios_xe
16.9.1a:a
ciscoios_xe
16.9.1s:s
ciscoios_xe
16.9.2
ciscoios_xe
16.9.2s:s
ciscoios_xe
16.9.3
ciscoios_xe
16.9.3s:s
ciscoios_xe
16.9.4
ciscoios_xe
16.10.1
ciscoios_xe
16.10.1a:a
ciscoios_xe
16.10.1b:b
ciscoios_xe
16.10.1c:c
ciscoios_xe
16.10.1d:d
ciscoios_xe
16.10.1e:e
ciscoios_xe
16.10.1f:f
ciscoios_xe
16.10.1g:g
ciscoios_xe
16.10.1s:s
ciscoios_xe
16.10.2
ciscoios_xe
16.11.1
ciscoios_xe
16.11.1a:a
ciscoios_xe
16.11.1b:b
ciscoios_xe
16.11.1c:c
ciscoios_xe
16.11.1s:s
ciscoios_xe
16.12.1y:y
𝑥
= Vulnerable software versions