Vulnerability Details : CVE-2019-3890
It was discovered evolution-ews before 3.31.3 does not check the validity of SSL certificates. An attacker could abuse this flaw to get confidential information by tricking the user into connecting to a fake server without the user noticing the difference.
Products affected by CVE-2019-3890
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnome:evolution-ews:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-3890
0.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-3890
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
8.1
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
2.8
|
5.2
|
NIST | |
8.1
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
2.8
|
5.2
|
Red Hat, Inc. |
CWE ids for CVE-2019-3890
-
The product does not validate, or incorrectly validates, a certificate.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
-
The product does not follow, or incorrectly follows, the chain of trust for a certificate back to a trusted root certificate, resulting in incorrect trust of any resource that is associated with that certificate.Assigned by: secalert@redhat.com (Secondary)
References for CVE-2019-3890
-
https://gitlab.gnome.org/GNOME/evolution-ews/issues/27
SSL Certificates are not validated (#27) · Issues · GNOME / evolution-ews · GitLabIssue Tracking;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:3699
RHSA-2019:3699 - Security Advisory - Red Hat Customer Portal
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3890
1678313 – (CVE-2019-3890) CVE-2019-3890 evolution-ews: all certificate errors ignored if configured to ignore an initial error in gnome-online-accounts creation resulting in the connection open to beiIssue Tracking;Third Party Advisory
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