CVE-2015-1777

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 66.4% of scored records. A rank, not a probability.

NVD base score

5.9 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-04-12 15:00Z8 YR AGO

Last updated

2024-08-06 04:54Z2 YR AGO

Reserved

2015-02-17

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-295Improper Certificate ValidationBase
• CWE-297Improper Validation of Certificate with Host MismatchVariant

Data version

5.1

Document digest

6c205d90c08a61f5f4fafd123782d956c152368c2f8e31fc2ff93bd8dd8827b7

• www.securityfocus.com72943http://www.securityfocus.com/bid/72943vdb-entryx_refsource_BID
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1198740x_refsource_CONFIRM
• www.openwall.com[oss-security] 20150304 Another Python app (rhn-setup: rhnreg_ks) not checking hostnames in certs properly CVE-2015-1777http://www.openwall.com/lists/oss-security/2015/03/04/7mailing-listx_refsource_MLIST