CVE-2015-3900

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

8.93% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 94.8% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

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

Red Hat severity

Important. 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

2015-06-24 14:00Z11 YR AGO

Last updated

2024-08-06 05:56Z2 YR AGO

Reserved

2015-05-12

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-254
• CWE-348Use of Less Trusted SourceBase

Data version

5.1

Document digest

ddf205beef2e2470a2a04657ebb632c2e06d5547e474df64e9040d908329c224

• rhn.redhat.comRHSA-2015:1657http://rhn.redhat.com/errata/RHSA-2015-1657.htmlvendor-advisoryx_refsource_REDHAT
• lists.fedoraproject.orgFEDORA-2015-12501http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163502.htmlvendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2015-12574http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163600.htmlvendor-advisoryx_refsource_FEDORA
• www.openwall.com[oss-security] 20150626 rubygems <2.4.8 vulnerable to DNS request hijacking (CVE-2015-3900 and CVE-2015-4020)http://www.openwall.com/lists/oss-security/2015/06/26/2mailing-listx_refsource_MLIST
• www.trustwave.comhttps://www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-3900/x_refsource_MISC
• www.securityfocus.com75482http://www.securityfocus.com/bid/75482vdb-entryx_refsource_BID
• www.trustwave.comhttps://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-007/?fid=6356x_refsource_MISC
• blog.rubygems.orghttp://blog.rubygems.org/2015/05/14/CVE-2015-3900.htmlx_refsource_CONFIRM
• puppet.comhttps://puppet.com/security/cve/CVE-2015-3900x_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2015-13157http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164236.htmlvendor-advisoryx_refsource_FEDORA
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.htmlx_refsource_CONFIRM