CVE-2015-2156

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

5.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 92.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Low. 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

2017-10-18 15:00Z9 YR AGO

Last updated

2024-08-06 05:10Z2 YR AGO

Reserved

2015-02-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

10570f612fd484232acfbeaa31991ad33943708c6649da8a847369544e9d5b72

• netty.iohttp://netty.io/news/2015/05/08/3-9-8-Final-and-3.htmlx_refsource_CONFIRM
• www.playframework.comhttps://www.playframework.com/security/vulnerability/CVE-2015-2156-HttpOnlyBypassx_refsource_MISC
• lists.fedoraproject.orgFEDORA-2015-8713http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159379.htmlvendor-advisoryx_refsource_FEDORA
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1222923x_refsource_CONFIRM
• github.comhttps://github.com/netty/netty/pull/3754x_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2015-8684http://lists.fedoraproject.org/pipermail/package-announce/2015-May/159166.htmlvendor-advisoryx_refsource_FEDORA
• www.securityfocus.com74704http://www.securityfocus.com/bid/74704vdb-entryx_refsource_BID
• www.openwall.com[oss-security] 20150516 Netty/Play's Security Updates (CVE-2015-2156)http://www.openwall.com/lists/oss-security/2015/05/17/1mailing-listx_refsource_MLIST
• lists.apache.org[pulsar-commits] 20190416 [GitHub] [pulsar] one70six opened a new issue #4057: Security Vulnerabilities - Black Duck Scan - Pulsar v.2.3.1https://lists.apache.org/thread.html/ff8dcfe29377088ab655fda9d585dccd5b1f07fabd94ae84fd60a7f8%40%3Ccommits.pulsar.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[cassandra-commits] 20191113 [jira] [Created] (CASSANDRA-15423) CVE-2015-2156 (Netty is vulnerable to Information Disclosure)https://lists.apache.org/thread.html/a19bb1003b0d6cd22475ba83c019b4fc7facfef2a9e13f71132529d3%40%3Ccommits.cassandra.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[cassandra-commits] 20191114 [jira] [Commented] (CASSANDRA-15423) CVE-2015-2156 (Netty is vulnerable to Information Disclosure)https://lists.apache.org/thread.html/dc1275aef115bda172851a231c76c0932d973f9ffd8bc375c4aba769%40%3Ccommits.cassandra.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20191115 [GitHub] [incubator-druid] ccaominh opened a new pull request #8878: Address security vulnerabilitieshttps://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST