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Vulnerability details: VCID-b8bk-cnxe-dybe
Vulnerability ID VCID-b8bk-cnxe-dybe
Aliases CVE-2020-1745
GHSA-gv2w-88hx-8m9r
Summary Improper Authorization in Undertoe A file inclusion vulnerability was found in the AJP connector enabled with a default AJP configuration port of 8009 in Undertow version 2.0.29.Final and before and was fixed in 2.0.30.Final. A remote, unauthenticated attacker could exploit this vulnerability to read web application files from a vulnerable server. In instances where the vulnerable server allows file uploads, an attacker could upload malicious JavaServer Pages (JSP) code within a variety of file types and trigger this vulnerability to gain remote code execution.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-285 Improper Authorization
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 7.6 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1745.json
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2020-1745
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2020-1745
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2020-1745
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2020-1745
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2020-1745
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2020-1745
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2020-1745
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2020-1745
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2020-1745
epss 0.02021 https://api.first.org/data/v1/epss?cve=CVE-2020-1745
cvssv3.1 8.6 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1745
generic_textual HIGH https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1745
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-gv2w-88hx-8m9r
cvssv3.1 8.6 https://meterpreter.org/cve-2020-1938-apache-tomcat-ajp-connector-remote-code-execution-vulnerability-alert
generic_textual HIGH https://meterpreter.org/cve-2020-1938-apache-tomcat-ajp-connector-remote-code-execution-vulnerability-alert
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-1745
cvssv3.1 8.6 https://nvd.nist.gov/vuln/detail/CVE-2020-1745
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2020-1745
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2020-1745
cvssv3.1 8.6 https://www.cnvd.org.cn/webinfo/show/5415
generic_textual HIGH https://www.cnvd.org.cn/webinfo/show/5415
cvssv3.1 8.6 https://www.tenable.com/blog/cve-2020-1938-ghostcat-apache-tomcat-ajp-file-readinclusion-vulnerability-cnvd-2020-10487
generic_textual HIGH https://www.tenable.com/blog/cve-2020-1938-ghostcat-apache-tomcat-ajp-file-readinclusion-vulnerability-cnvd-2020-10487
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1745.json
https://api.first.org/data/v1/epss?cve=CVE-2020-1745
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1745
https://meterpreter.org/cve-2020-1938-apache-tomcat-ajp-connector-remote-code-execution-vulnerability-alert
https://meterpreter.org/cve-2020-1938-apache-tomcat-ajp-connector-remote-code-execution-vulnerability-alert/
https://nvd.nist.gov/vuln/detail/CVE-2020-1745
https://security.netapp.com/advisory/ntap-20240216-0011/
https://www.cnvd.org.cn/webinfo/show/5415
https://www.tenable.com/blog/cve-2020-1938-ghostcat-apache-tomcat-ajp-file-readinclusion-vulnerability-cnvd-2020-10487
1807305 https://bugzilla.redhat.com/show_bug.cgi?id=1807305
cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*
GHSA-gv2w-88hx-8m9r https://github.com/advisories/GHSA-gv2w-88hx-8m9r
RHSA-2020:0812 https://access.redhat.com/errata/RHSA-2020:0812
RHSA-2020:0813 https://access.redhat.com/errata/RHSA-2020:0813
RHSA-2020:0952 https://access.redhat.com/errata/RHSA-2020:0952
RHSA-2020:0961 https://access.redhat.com/errata/RHSA-2020:0961
RHSA-2020:0962 https://access.redhat.com/errata/RHSA-2020:0962
RHSA-2020:2058 https://access.redhat.com/errata/RHSA-2020:2058
RHSA-2020:2059 https://access.redhat.com/errata/RHSA-2020:2059
RHSA-2020:2060 https://access.redhat.com/errata/RHSA-2020:2060
RHSA-2020:2061 https://access.redhat.com/errata/RHSA-2020:2061
RHSA-2020:2333 https://access.redhat.com/errata/RHSA-2020:2333
RHSA-2020:2367 https://access.redhat.com/errata/RHSA-2020:2367
RHSA-2020:2511 https://access.redhat.com/errata/RHSA-2020:2511
RHSA-2020:2512 https://access.redhat.com/errata/RHSA-2020:2512
RHSA-2020:2513 https://access.redhat.com/errata/RHSA-2020:2513
RHSA-2020:2515 https://access.redhat.com/errata/RHSA-2020:2515
RHSA-2020:2905 https://access.redhat.com/errata/RHSA-2020:2905
RHSA-2020:3192 https://access.redhat.com/errata/RHSA-2020:3192
RHSA-2020:3779 https://access.redhat.com/errata/RHSA-2020:3779
RHSA-2024:5856 https://access.redhat.com/errata/RHSA-2024:5856
No exploits are available.
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1745.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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L Found at https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1745
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:L/PR:N/UI:N/S:U/C:H/I:L/A:L Found at https://meterpreter.org/cve-2020-1938-apache-tomcat-ajp-connector-remote-code-execution-vulnerability-alert
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:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1745
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:L/PR:N/UI:N/S:U/C:H/I:L/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1745
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://nvd.nist.gov/vuln/detail/CVE-2020-1745
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:L/PR:N/UI:N/S:U/C:H/I:L/A:L Found at https://www.cnvd.org.cn/webinfo/show/5415
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:L/PR:N/UI:N/S:U/C:H/I:L/A:L Found at https://www.tenable.com/blog/cve-2020-1938-ghostcat-apache-tomcat-ajp-file-readinclusion-vulnerability-cnvd-2020-10487
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 0.82926
EPSS Score 0.02021
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:30:31.100664+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-gv2w-88hx-8m9r/GHSA-gv2w-88hx-8m9r.json 36.1.3