CVE-2016-2177

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

44.50% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.7% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/A:H

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

2016-06-20 00:00Z10 YR AGO

Last updated

2024-08-05 23:17Z2 YR AGO

Reserved

2016-01-29

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.1

Document digest

18551530b11e66f42b62fbf5d4026b5ca0ce673d4e5775a02d391754594e646a

• www.tenable.comhttps://www.tenable.com/security/tns-2016-20
• www.splunk.comhttp://www.splunk.com/view/SP-CAAAPUE
• www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
• rhn.redhat.comRHSA-2017:1659http://rhn.redhat.com/errata/RHSA-2017-1659.htmlvendor-advisory
• access.redhat.comRHSA-2017:1658https://access.redhat.com/errata/RHSA-2017:1658vendor-advisory
• rhn.redhat.comRHSA-2016:1940http://rhn.redhat.com/errata/RHSA-2016-1940.htmlvendor-advisory
• www.securitytracker.com1036088http://www.securitytracker.com/id/1036088vdb-entry
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
• security.gentoo.orgGLSA-201612-16https://security.gentoo.org/glsa/201612-16vendor-advisory
• www.citect.schneider-electric.comhttps://www.citect.schneider-electric.com/safety-and-security-central/36-security-notifications/9134-vulnerabilities-within-schneider-electric-floating-license-manager
• kb.pulsesecure.nethttps://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
• support.hpe.comhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us
• www.splunk.comhttp://www.splunk.com/view/SP-CAAAPSV
• www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21995039
• www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
• www.tenable.comhttps://www.tenable.com/security/tns-2016-16
• git.openssl.orghttps://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=a004e72b95835136d3f1ea90517f706c24c03da7
• www.tenable.comhttps://www.tenable.com/security/tns-2016-21
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
• www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
• www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
• access.redhat.comRHSA-2017:0194https://access.redhat.com/errata/RHSA-2017:0194vendor-advisory
• access.redhat.comRHSA-2017:0193https://access.redhat.com/errata/RHSA-2017:0193vendor-advisory
• www.schneider-electric.comhttps://www.schneider-electric.com/en/download/document/SEVD-2018-137-01/
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
• rhn.redhat.comRHSA-2016:2957http://rhn.redhat.com/errata/RHSA-2016-2957.htmlvendor-advisory
• bto.bluecoat.comhttps://bto.bluecoat.com/security-advisory/sa132
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1341705
• www.schneider-electric.comhttps://www.schneider-electric.com/en/download/document/SEVD-2018-144-01/
• www.securityfocus.com91319http://www.securityfocus.com/bid/91319vdb-entry
• www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
• security.freebsd.orgFreeBSD-SA-16:26https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.ascvendor-advisory
• h20566.www2.hpe.comhttps://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03763en_us
• ics-cert.us-cert.govhttps://ics-cert.us-cert.gov/advisories/ICSA-18-144-01
• h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05302448
• kc.mcafee.comhttps://kc.mcafee.com/corporate/index?page=content&id=SB10165
• kb.juniper.nethttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
• www.openwall.com[oss-security] 20160608 CVE-2016-2177: OpenSSL undefined pointer arithmetichttp://www.openwall.com/lists/oss-security/2016/06/08/9mailing-list
• kc.mcafee.comhttps://kc.mcafee.com/corporate/index?page=content&id=SB10215
• lists.opensuse.orgSUSE-SU-2017:2700http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.htmlvendor-advisory
• www.ubuntu.comUSN-3087-1http://www.ubuntu.com/usn/USN-3087-1vendor-advisory
• lists.opensuse.orgSUSE-SU-2016:2469http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.htmlvendor-advisory
• tools.cisco.com20160927 Multiple Vulnerabilities in OpenSSL Affecting Cisco Products: September 2016http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160927-opensslvendor-advisory
• lists.opensuse.orgopenSUSE-SU-2016:2537http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.htmlvendor-advisory
• www.ubuntu.comUSN-3087-2http://www.ubuntu.com/usn/USN-3087-2vendor-advisory
• www.securityfocus.com20170801 [security bulletin] HPESBHF03763 rev.1 - HPE Comware 7, IMC, VCX products using OpenSSL, Remote Denial of Service (DoS)http://www.securityfocus.com/archive/1/540957/100/0/threadedmailing-list
• lists.opensuse.orgSUSE-SU-2017:2699http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.htmlvendor-advisory
• www.securityfocus.com20170801 [security bulletin] HPESBHF03763 rev.1 - HPE Comware 7, IMC, VCX products using OpenSSL, Remote Denial of Service (DoS)http://www.securityfocus.com/archive/1/archive/1/540957/100/0/threadedmailing-list
• lists.opensuse.orgopenSUSE-SU-2016:2407http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.htmlvendor-advisory
• seclists.org20170717 Orion Elite Hidden IP Browser Pro - All Versions - Multiple Known Vulnerabilitieshttp://seclists.org/fulldisclosure/2017/Jul/31mailing-list
• www.ubuntu.comUSN-3181-1http://www.ubuntu.com/usn/USN-3181-1vendor-advisory
• lists.opensuse.orgSUSE-SU-2016:2458http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.htmlvendor-advisory
• support.hpe.comhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03856en_us
• support.f5.comhttps://support.f5.com/csp/article/K23873366
• www.debian.orgDSA-3673http://www.debian.org/security/2016/dsa-3673vendor-advisory
• lists.opensuse.orgopenSUSE-SU-2016:2391http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.htmlvendor-advisory
• lists.opensuse.orgopenSUSE-SU-2018:0458http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.htmlvendor-advisory
• lists.opensuse.orgSUSE-SU-2016:2387http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.htmlvendor-advisory
• h20566.www2.hpe.comhttps://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05302448
• lists.opensuse.orgSUSE-SU-2016:2468http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.htmlvendor-advisory
• lists.opensuse.orgSUSE-SU-2016:2394http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.htmlvendor-advisory
• www.huawei.comhttp://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en
• www.arista.comhttps://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf