CVE-2015-1855

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

2.81% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 85.3% 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:3.1/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

2019-11-29 20:46Z6 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-20Improper Input ValidationClass
• CWE-297Improper Validation of Certificate with Host MismatchVariant

Data version

5.1

Document digest

c338681d277fb816955cdbc929b4c5bce722ee41d18cd7d1ebc6896b4cd6c538

• www.debian.orghttp://www.debian.org/security/2015/dsa-3247x_refsource_MISC
• www.debian.orghttp://www.debian.org/security/2015/dsa-3245x_refsource_MISC
• www.debian.orghttp://www.debian.org/security/2015/dsa-3246x_refsource_MISC
• www.ruby-lang.orghttps://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/x_refsource_MISC
• puppetlabs.comhttps://puppetlabs.com/security/cve/cve-2015-1855x_refsource_MISC
• bugs.ruby-lang.orghttps://bugs.ruby-lang.org/issues/9644x_refsource_MISC