6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.5 Low
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
57.0%
ZNC is vulnerable to denial of service. An attacker is able to crash the application using via a NULL pointer dereference vulnerability if echo-message is not enabled and there is no network.
github.com/znc/znc/commit/2390ad111bde16a78c98ac44572090b33c3bd2d8
github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001
lists.fedoraproject.org/archives/list/[email protected]/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/
lists.fedoraproject.org/archives/list/[email protected]/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.5 Low
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
57.0%