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Vulnerability details: VCID-ebqh-gauj-aaac
Vulnerability ID VCID-ebqh-gauj-aaac
Aliases CVE-2020-11985
Summary IP address spoofing when proxying using mod_remoteip and mod_rewrite For configurations using proxying with mod_remoteip and certain mod_rewrite rules, an attacker could spoof their IP address for logging and PHP scripts. Note this issue was fixed in Apache HTTP Server 2.4.24 but was retrospectively allocated a low severity CVE in 2020.
Status Published
Exploitability 0.5
Weighted Severity 7.0
Risk 3.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-345 Insufficient Verification of Data Authenticity
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-11985.html
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11985.json
epss 0.00397 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00397 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00397 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00397 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00397 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00397 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00397 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00397 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00397 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00397 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00397 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.14299 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.14299 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16406 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16406 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16406 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.1643 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.1643 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.1643 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.1643 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.1643 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.1643 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.1643 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.1643 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.16611 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.34678 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.36666 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.36666 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
epss 0.3847 https://api.first.org/data/v1/epss?cve=CVE-2020-11985
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11985
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
apache_httpd low https://httpd.apache.org/security/json/CVE-2020-11985.json
cvssv3.1 7.5 https://httpd.apache.org/security/vulnerabilities_24.html
generic_textual HIGH https://httpd.apache.org/security/vulnerabilities_24.html
generic_textual Low https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-11985
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-11985
cvssv3 5.3 https://nvd.nist.gov/vuln/detail/CVE-2020-11985
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2020-11985
generic_textual Low https://www.openwall.com/lists/oss-security/2020/08/07/2
cvssv3.1 9.8 https://www.oracle.com/security-alerts/cpujan2021.html
generic_textual CRITICAL https://www.oracle.com/security-alerts/cpujan2021.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-11985.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11985.json
https://api.first.org/data/v1/epss?cve=CVE-2020-11985
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11985
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://httpd.apache.org/security/vulnerabilities_24.html
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-11985
https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r09bb998baee74a2c316446bd1a41ae7f8d7049d09d9ff991471e8775@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r09bb998baee74a2c316446bd1a41ae7f8d7049d09d9ff991471e8775%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46ce50eee90b2e36@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46ce50eee90b2e36%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%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/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/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A2RN46PRBJE7E7OPD4YZX5SVWV5QKGV5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HYVYE2ZERFXDV6RMKK3I5SDSDQLPSEIQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A2RN46PRBJE7E7OPD4YZX5SVWV5QKGV5/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HYVYE2ZERFXDV6RMKK3I5SDSDQLPSEIQ/
https://security.gentoo.org/glsa/202008-04
https://security.netapp.com/advisory/ntap-20200827-0002/
https://www.openwall.com/lists/oss-security/2020/08/07/2
https://www.oracle.com/security-alerts/cpujan2021.html
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
CVE-2020-11985 https://httpd.apache.org/security/json/CVE-2020-11985.json
CVE-2020-11985 https://nvd.nist.gov/vuln/detail/CVE-2020-11985
RHBA-2015:2194 https://bugzilla.redhat.com/show_bug.cgi?id=1866559
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11985.json
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://httpd.apache.org/security/vulnerabilities_24.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
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-11985
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-11985
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-11985
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.oracle.com/security-alerts/cpujan2021.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 0.74030
EPSS Score 0.00397
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.