7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.013 Low
EPSS
Percentile
85.9%
common/session.c in Claws Mail before 3.17.6 has a protocol violation
because suffix data after STARTTLS is mishandled.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | claws-mail | < any | UNKNOWN |
ubuntu | 20.04 | noarch | claws-mail | < any | UNKNOWN |
ubuntu | 16.04 | noarch | claws-mail | < any | UNKNOWN |
git.claws-mail.org/?p=claws.git;a=blob;f=RELEASE_NOTES
git.claws-mail.org/?p=claws.git;a=commit;h=fcc25329049b6f9bd8d890f1197ed61eb12e14d5
launchpad.net/bugs/cve/CVE-2020-15917
nvd.nist.gov/vuln/detail/CVE-2020-15917
security-tracker.debian.org/tracker/CVE-2020-15917
www.cve.org/CVERecord?id=CVE-2020-15917
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.013 Low
EPSS
Percentile
85.9%