Ubuntu.comUB:CVE-2020-12783CVE-2020-12783
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.003 Low
EPSS
Percentile
65.2%
Exim through 4.93 has an out-of-bounds read in the SPA authenticator that
could result in SPA/NTLM authentication bypass in auths/spa.c and
auths/auth-spa.c.
Bugs
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | exim4 | < 4.90.1-1ubuntu1.5 | UNKNOWN |
| ubuntu | 19.10 | noarch | exim4 | < 4.92.1-1ubuntu3.1 | UNKNOWN |
| ubuntu | 20.04 | noarch | exim4 | < 4.93-13ubuntu1.1 | UNKNOWN |
| ubuntu | 14.04 | noarch | exim4 | < 4.82-3ubuntu2.4+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 16.04 | noarch | exim4 | < 4.86.2-2ubuntu2.6 | UNKNOWN |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.003 Low
EPSS
Percentile
65.2%