CVE-2023-20246

Multiple Cisco products are affected by a vulnerability in Snort access control policies that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. 

 This vulnerability is due to a logic error that occurs when the access control policies are being populated. An attacker could exploit this vulnerability by establishing a connection to an affected device. A successful exploit could allow the attacker to bypass configured access control rules on the affected system.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.8 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
ciscoCNA
5.8 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 20%
VendorProductVersion
snortsnort
3.0.0 ≤
𝑥
< 3.1.57.0
ciscofirepower_threat_defense
7.0.0 ≤
𝑥
≤ 7.3.1.1
ciscoios_xe
17.12 ≤
𝑥
< 17.12.2
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
snort
noble
not-affected
mantic
not-affected
lunar
ignored
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected