CVE-2015-7576

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

4.87% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 91.6% of scored records. A rank, not a probability.

NVD base score

3.7 (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:L/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

2016-02-16 02:00Z10 YR AGO

Last updated

2024-08-06 07:51Z2 YR AGO

Reserved

2015-09-29

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-254
• CWE-385Covert Timing ChannelBase

Data version

5.1

Document digest

98acc3f206b6d2a36fe2b38b52593da07be8df936ead431dd481d945bce0816f

• www.openwall.com[oss-security] 20160125 [CVE-2015-7576] Timing attack vulnerability in basic authentication in Action Controller.http://www.openwall.com/lists/oss-security/2016/01/25/8mailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2016-3ede04cd79http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178068.htmlvendor-advisoryx_refsource_FEDORA
• lists.opensuse.orgopenSUSE-SU-2016:0372http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2016:0363http://lists.opensuse.org/opensuse-updates/2016-02/msg00034.htmlvendor-advisoryx_refsource_SUSE
• lists.fedoraproject.orgFEDORA-2016-94e71ee673http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.htmlvendor-advisoryx_refsource_FEDORA
• www.securityfocus.com81803http://www.securityfocus.com/bid/81803vdb-entryx_refsource_BID
• lists.fedoraproject.orgFEDORA-2016-f486068393http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.htmlvendor-advisoryx_refsource_FEDORA
• lists.opensuse.orgSUSE-SU-2016:1146http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.htmlvendor-advisoryx_refsource_SUSE
• www.securitytracker.com1034816http://www.securitytracker.com/id/1034816vdb-entryx_refsource_SECTRACK
• www.debian.orgDSA-3464http://www.debian.org/security/2016/dsa-3464vendor-advisoryx_refsource_DEBIAN
• rhn.redhat.comRHSA-2016:0296http://rhn.redhat.com/errata/RHSA-2016-0296.htmlvendor-advisoryx_refsource_REDHAT
• lists.fedoraproject.orgFEDORA-2016-cb30088b06http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178047.htmlvendor-advisoryx_refsource_FEDORA
• groups.google.com[ruby-security-ann] 20160125 [CVE-2015-7576] Timing attack vulnerability in basic authentication in Action Controller.https://groups.google.com/forum/message/raw?msg=ruby-security-ann/ANv0HDHEC3k/T8Hgq-hYEgAJmailing-listx_refsource_MLIST