Lucene search
K
Database
Vendors
Products
Years
CVSS
Scanner
Agent Scanning
API Scanning
Manual Audit
Perimeter Scanner
Scanning
Projects
Email
Webhook
Plugins
Resources
Documents
Blog
Glossary
FAQ
Pricing
Contacts
About Us
Partners
Branding Guideline
nvd[email protected]NVD:CVE-2018-20843
HistoryJun 24, 2019 - 5:15 p.m.

CVE-2018-20843

2019-06-2417:15:09
CWE-611
[email protected]
web.nvd.nist.gov

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 High

AI Score

Confidence

High

0.582 Medium

EPSS

Percentile

97.7%

JSON

In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).

Affected configurations

NVD
Node
libexpat_projectlibexpatRange<2.2.7
Node
canonicalubuntu_linuxMatch12.04-
OR
canonicalubuntu_linuxMatch14.04esm
OR
canonicalubuntu_linuxMatch16.04lts
OR
canonicalubuntu_linuxMatch18.04lts
OR
canonicalubuntu_linuxMatch18.10
OR
canonicalubuntu_linuxMatch19.04
Node
debiandebian_linuxMatch8.0
OR
debiandebian_linuxMatch9.0
Node
fedoraprojectfedoraMatch29
OR
fedoraprojectfedoraMatch30
Node
opensuseleapMatch15.0
OR
opensuseleapMatch15.1
Node
oraclehospitality_res_3700Range5.7–5.7.6
OR
oraclehttp_serverMatch12.1.3.0
OR
oraclehttp_serverMatch12.2.1.4.0
OR
oracleoutside_in_technologyMatch8.5.4
OR
oracleoutside_in_technologyMatch8.5.5
Node
tenablenessusRange<8.15.0

References

Related

debian 3
fedora 2
ibm 21
veracode 1
osv 7
nessus 48
redhatcve 1
openvas 18
cve 1
ubuntu 4
ubuntucve 1
debiancve 1
rocky 2
cbl_mariner 1
f5 1
almalinux 2
mageia 1
cvelist 1
redhat 25
cloudfoundry 1
alpinelinux 1
suse 1
prion 1
amazon 3
centos 1
gentoo 1
oraclelinux 2
altlinux 1
photon 6
oracle 4
ics 1
debian
debian
[SECURITY] [DLA 1839-1] expat security update
2019-06-29 18:59:53
[SECURITY] [DSA 4472-1] expat security update
2019-06-28 09:30:19
[SECURITY] [DSA 4472-1] expat security update
2019-06-28 09:30:19
fedora
fedora
[SECURITY] Fedora 30 Update: expat-2.2.7-1.fc30
2019-07-10 00:51:48
[SECURITY] Fedora 29 Update: expat-2.2.7-1.fc29
2019-07-16 03:22:19
ibm
ibm
Security Bulletin: A security vulnerability has been identified in IBM HTTP Server, a component of IBM WebSphere Application Server, which is shipped with, or a required product for, IBM Tivoli Netcool Configuration Manager (CVE-2018-20843)
2020-03-25 11:34:06
Security Bulletin: IBM Security SiteProtector System is affected by Apache HTTP Server vulnerabilities
2020-02-27 10:34:31
Security Bulletin: A security vulnerability has been identified in IBM HTTP Server, a component of IBM WebSphere Application Server, which is shipped with, or a required product for, IBM Tivoli Network Manager (CVE-2018-20843)
2020-03-25 11:36:37
veracode
veracode
Denial Of Service (DoS)
2019-07-01 08:36:31
osv
osv
expat - security update
2019-06-29 00:00:00
expat - security update
2019-06-28 00:00:00
Moderate: mingw-expat security update
2020-11-03 12:41:03
nessus
nessus
Debian DSA-4472-1 : expat - security update
2019-07-01 00:00:00
Photon OS 2.0: Expat PHSA-2019-2.0-0171
2019-09-12 00:00:00
Photon OS 3.0: Expat PHSA-2019-3.0-0026
2019-09-12 00:00:00
redhatcve
redhatcve
CVE-2018-20843
2020-04-04 05:18:28
openvas
openvas
Fedora Update for expat FEDORA-2019-18868e1715
2019-07-11 00:00:00
Debian: Security Advisory (DSA-4472-1)
2019-06-29 00:00:00
Huawei EulerOS: Security Advisory for expat (EulerOS-SA-2019-1783)
2020-01-23 00:00:00
cve
cve
CVE-2018-20843
2019-06-24 17:15:09
ubuntu
ubuntu
Expat vulnerability
2019-06-26 00:00:00
Expat vulnerability
2019-06-26 00:00:00
VTK vulnerabilities
2021-03-15 00:00:00
ubuntucve
ubuntucve
CVE-2018-20843
2019-06-24 00:00:00
debiancve
debiancve
CVE-2018-20843
2019-06-24 17:15:09
rocky
rocky
mingw-expat security update
2020-11-03 00:00:00
expat security update
2020-11-03 12:09:00
cbl_mariner
cbl_mariner
CVE-2018-20843 affecting package expat 2.2.6-4
2020-09-09 06:09:14
f5
f5
K51011533 : Expat XML parser vulnerability CVE-2018-20843
2019-07-18 00:00:00
almalinux
almalinux
Moderate: mingw-expat security update
2020-11-03 12:41:03
Moderate: expat security update
2020-11-03 12:09:00
mageia
mageia
Updated expat packages fix security vulnerability
2019-09-15 15:11:55
cvelist
cvelist
CVE-2018-20843
2019-06-24 16:06:38
redhat
redhat
(RHSA-2020:4846) Moderate: mingw-expat security update
2020-11-03 12:41:03
(RHSA-2020:4484) Moderate: expat security update
2020-11-03 12:09:00
(RHSA-2020:3952) Moderate: expat security update
2020-09-29 07:46:19
cloudfoundry
cloudfoundry
USN-4040-1: Expat vulnerability | Cloud Foundry
2019-08-28 00:00:00
alpinelinux
alpinelinux
CVE-2018-20843
2019-06-24 17:15:09
suse
suse
Security update for expat (moderate)
2019-07-21 00:00:00
prion
prion
Input validation
2019-06-24 17:15:00
amazon
amazon
Medium: expat
2021-01-12 22:51:00
Medium: expat
2020-12-16 20:31:00
Medium: expat
2020-10-22 17:32:00
centos
centos
expat security update
2020-10-20 17:58:03
gentoo
gentoo
Expat: Multiple vulnerabilities
2019-11-25 00:00:00
oraclelinux
oraclelinux
expat security update
2020-11-10 00:00:00
expat security update
2020-10-06 00:00:00
altlinux
altlinux
Security fix for the ALT Linux 9 package expat version 2.2.9-alt1
2020-05-31 00:00:00
photon
photon
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2019-1.0-0247
2019-08-02 00:00:00
Important Photon OS Security Update - PHSA-2019-0247
2019-08-02 00:00:00
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2019-2.0-0171
2019-08-02 00:00:00
oracle
oracle
Oracle Critical Patch Update Advisory - October 2021
2021-10-19 00:00:00
Oracle Critical Patch Update Advisory - April 2021
2021-04-20 00:00:00
Oracle Critical Patch Update Advisory - October 2020
2020-10-20 00:00:00
ics
ics
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
2023-12-14 12:00:00

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 High

AI Score

Confidence

High

0.582 Medium

EPSS

Percentile

97.7%

JSON
Related for NVD:CVE-2018-20843
debian3fedora2ibm21veracode1osv7nessus48redhatcve1openvas18cve1ubuntu4ubuntucve1debiancve1rocky2cbl_mariner1f51almalinux2mageia1cvelist1redhat25cloudfoundry1alpinelinux1suse1prion1amazon3centos1gentoo1oraclelinux2altlinux1photon6oracle4ics1