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Vulnerability details: VCID-nqvz-62x1-aaan
Vulnerability ID VCID-nqvz-62x1-aaan
Aliases CVE-2016-1546
Summary The Apache HTTP Server 2.4.17 and 2.4.18, when mod_http2 is enabled, does not limit the number of simultaneous stream workers for a single HTTP/2 connection, which allows remote attackers to cause a denial of service (stream-processing outage) via modified flow-control windows.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-399 Resource Management Errors
System Score Found at
generic_textual Medium http://httpd.apache.org/security/vulnerabilities_24.html
epss 0.04613 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
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epss 0.04613 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.04613 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.04613 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.04613 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.04613 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.04613 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.04613 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.25761 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.25761 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.25761 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.25761 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.29301 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
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epss 0.31845 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.32195 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.32195 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.32195 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.32195 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.32195 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.32195 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.32195 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.32195 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
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epss 0.32195 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.37598 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.37598 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.37598 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
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epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
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epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
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epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41194 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41783 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41783 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41783 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
epss 0.41783 https://api.first.org/data/v1/epss?cve=CVE-2016-1546
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1336350
apache_httpd low https://httpd.apache.org/security/json/CVE-2016-1546.json
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2016-1546
cvssv3 5.9 https://nvd.nist.gov/vuln/detail/CVE-2016-1546
cvssv3.1 8.1 http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
generic_textual HIGH http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
Reference id Reference type URL
http://httpd.apache.org/security/vulnerabilities_24.html
https://access.redhat.com/errata/RHSA-2017:1161
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-1546.json
https://api.first.org/data/v1/epss?cve=CVE-2016-1546
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1546
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
https://security.gentoo.org/glsa/201610-02
https://security.netapp.com/advisory/ntap-20180601-0001/
http://svn.apache.org/viewvc?view=revision&revision=1733727
http://www.apache.org/dist/httpd/CHANGES_2.4
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
http://www.securityfocus.com/bid/92331
1336350 https://bugzilla.redhat.com/show_bug.cgi?id=1336350
cpe:2.3:a:apache:http_server:2.4.17:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.4.17:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*
CVE-2016-1546 https://httpd.apache.org/security/json/CVE-2016-1546.json
CVE-2016-1546 https://nvd.nist.gov/vuln/detail/CVE-2016-1546
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-1546
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-1546
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.92767
EPSS Score 0.04613
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.