CVE-2016-7543

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

0.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 45.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2017-01-19 20:00Z9 YR AGO

Last updated

2024-08-06 02:04Z2 YR AGO

Reserved

2016-09-09

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
• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')Class

Data version

5.1

Document digest

616fa7876fad93727fa482448f9eb21700f01f45768c0d86abc67304029dadf2

• rhn.redhat.comRHSA-2017:0725http://rhn.redhat.com/errata/RHSA-2017-0725.htmlvendor-advisoryx_refsource_REDHAT
• lists.fedoraproject.orgFEDORA-2016-5a54fb4784https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/vendor-advisoryx_refsource_FEDORA
• access.redhat.comRHSA-2017:1931https://access.redhat.com/errata/RHSA-2017:1931vendor-advisoryx_refsource_REDHAT
• lists.fedoraproject.orgFEDORA-2016-2c4b5ad64ehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/vendor-advisoryx_refsource_FEDORA
• www.openwall.com[oss-security] 20160926 CVE-2016-7543 -- bash SHELLOPTS+PS4http://www.openwall.com/lists/oss-security/2016/09/26/9mailing-listx_refsource_MLIST
• lists.gnu.org[bug-bash] 20160916 Bash-4.4 Release availablehttps://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.htmlmailing-listx_refsource_MLIST
• www.securityfocus.com93183http://www.securityfocus.com/bid/93183vdb-entryx_refsource_BID
• h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115x_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2016-f84391516dhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/vendor-advisoryx_refsource_FEDORA
• www.securitytracker.com1037812http://www.securitytracker.com/id/1037812vdb-entryx_refsource_SECTRACK
• security.gentoo.orgGLSA-201701-02https://security.gentoo.org/glsa/201701-02vendor-advisoryx_refsource_GENTOO