Details of VAR-201911-0644

ID

VAR-201911-0644

CVE

CVE-2019-18858

TITLE

3S-Smart Software Solutions CODESYS Buffer Overflow Vulnerability

Trust: 0.8

sources: IVD: 418d9b6e-8164-4e9e-bc05-ad15b3929ef6 // CNVD: CNVD-2019-42751

DESCRIPTION

CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow. CODESYS 3 web The server is vulnerable to a classic buffer overflow.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. 3S-Smart Software Solutions CODESYS V3 web server is a web server used in CODESYS products by German 3S-Smart Software Solutions. The vulnerability originates from a network system or product that incorrectly validates data boundaries when performing operations on memory, causing incorrect read and write operations to be performed on other associated memory locations. An attacker could use this vulnerability to cause a buffer overflow or heap overflow

Trust: 2.34

sources: NVD: CVE-2019-18858 // JVNDB: JVNDB-2019-012231 // CNVD: CNVD-2019-42751 // IVD: 418d9b6e-8164-4e9e-bc05-ad15b3929ef6

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.8

sources: IVD: 418d9b6e-8164-4e9e-bc05-ad15b3929ef6 // CNVD: CNVD-2019-42751

AFFECTED PRODUCTS

vendor:	codesys	model:	control for empc-a\/imx6	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	control runtime system toolkit	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	control for iot2000	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	hmi	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	control for raspberry pi	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	control for beaglebone	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	control for pfc200	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	control for pfc100	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	control rte	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	control win	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	control for plcnext	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	control for linux	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	embedded target visu toolkit	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	remote target visu toolkit	scope:	lt	version:	3.5.15.20	Trust: 1.0
vendor:	codesys	model:	control runtime system toolkit	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control for raspberry pi sl	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control for iot2000 sl	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control for empc-a/imx6 sl	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control for beaglebone sl	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control rte sl	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control for linux sl	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control for plcnext	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control for pfc200 sl	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control for pfc100 sl	scope:	-	version:	-	Trust: 0.8
vendor:	3s smart	model:	software solutions codesys	scope:	lt	version:	3.5.15.20	Trust: 0.6
vendor:	control for beaglebone	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	control for empc a imx6	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	control for iot2000	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	control for linux	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	control for pfc100	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	control for pfc200	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	control for plcnext	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	control for raspberry pi	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	control rte	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	control runtime system toolkit	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	control win	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	embedded target visu toolkit	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	hmi	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	remote target visu toolkit	model:	-	scope:	eq	version:	*	Trust: 0.2

sources: IVD: 418d9b6e-8164-4e9e-bc05-ad15b3929ef6 // CNVD: CNVD-2019-42751 // JVNDB: JVNDB-2019-012231 // NVD: CVE-2019-18858

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2019-18858
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2019-18858
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2019-42751
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201911-1189
value:	CRITICAL
Trust: 0.6
IVD:	418d9b6e-8164-4e9e-bc05-ad15b3929ef6
value:	CRITICAL
Trust: 0.2

nvd@nist.gov:	CVE-2019-18858
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2019-42751
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
IVD:	418d9b6e-8164-4e9e-bc05-ad15b3929ef6
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.9 [IVD]
Trust: 0.2

nvd@nist.gov:	CVE-2019-18858
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2019-18858
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: IVD: 418d9b6e-8164-4e9e-bc05-ad15b3929ef6 // CNVD: CNVD-2019-42751 // CNNVD: CNNVD-201911-1189 // JVNDB: JVNDB-2019-012231 // NVD: CVE-2019-18858

PROBLEMTYPE DATA

problemtype:	CWE-120	Trust: 1.0
problemtype:	Classic buffer overflow (CWE-120) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2019-012231 // NVD: CVE-2019-18858

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201911-1189

TYPE

Buffer error

Trust: 0.8

sources: IVD: 418d9b6e-8164-4e9e-bc05-ad15b3929ef6 // CNNVD: CNNVD-201911-1189

PATCH

title:	Advisory 2019-10	url:	https://customers.codesys.com/fileadmin/data/customers/security/2019/Advisory2019-10_CDS-68341.pdf	Trust: 0.8
title:	Patch for 3S-Smart Software Solutions CODESYS Buffer Overflow Vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/192697	Trust: 0.6
title:	3S-Smart Software Solutions CODESYS V3 web server Buffer error vulnerability fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=103504	Trust: 0.6

sources: CNVD: CNVD-2019-42751 // CNNVD: CNNVD-201911-1189 // JVNDB: JVNDB-2019-012231

EXTERNAL IDS

db:	NVD	id:	CVE-2019-18858	Trust: 4.0
db:	TENABLE	id:	TRA-2019-48	Trust: 1.6
db:	CNVD	id:	CNVD-2019-42751	Trust: 0.8
db:	CNNVD	id:	CNNVD-201911-1189	Trust: 0.8
db:	ICS CERT	id:	ICSA-25-273-04	Trust: 0.8
db:	JVN	id:	JVNVU90492166	Trust: 0.8
db:	JVNDB	id:	JVNDB-2019-012231	Trust: 0.8
db:	IVD	id:	418D9B6E-8164-4E9E-BC05-AD15B3929EF6	Trust: 0.2

sources: IVD: 418d9b6e-8164-4e9e-bc05-ad15b3929ef6 // CNVD: CNVD-2019-42751 // CNNVD: CNNVD-201911-1189 // JVNDB: JVNDB-2019-012231 // NVD: CVE-2019-18858

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2019-18858	Trust: 2.0
url:	https://customers.codesys.com/fileadmin/data/customers/security/2019/advisory2019-10_cds-68341.pdf	Trust: 1.6
url:	https://www.tenable.com/security/research/tra-2019-48	Trust: 1.6
url:	https://jvn.jp/vu/jvnvu90492166/index.html	Trust: 0.8
url:	https://www.cisa.gov/news-events/ics-advisories/icsa-25-273-04	Trust: 0.8

sources: CNVD: CNVD-2019-42751 // CNNVD: CNNVD-201911-1189 // JVNDB: JVNDB-2019-012231 // NVD: CVE-2019-18858

SOURCES

db:	IVD	id:	418d9b6e-8164-4e9e-bc05-ad15b3929ef6
db:	CNVD	id:	CNVD-2019-42751
db:	CNNVD	id:	CNNVD-201911-1189
db:	JVNDB	id:	JVNDB-2019-012231
db:	NVD	id:	CVE-2019-18858

LAST UPDATE DATE

2025-10-03T20:04:46.063000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2019-42751	date:	2019-12-02T00:00:00
db:	CNNVD	id:	CNNVD-201911-1189	date:	2020-07-13T00:00:00
db:	JVNDB	id:	JVNDB-2019-012231	date:	2025-10-02T06:49:00
db:	NVD	id:	CVE-2019-18858	date:	2024-11-21T04:33:43.753

SOURCES RELEASE DATE

db:	IVD	id:	418d9b6e-8164-4e9e-bc05-ad15b3929ef6	date:	2019-11-29T00:00:00
db:	CNVD	id:	CNVD-2019-42751	date:	2019-11-29T00:00:00
db:	CNNVD	id:	CNNVD-201911-1189	date:	2019-11-20T00:00:00
db:	JVNDB	id:	JVNDB-2019-012231	date:	2019-11-27T00:00:00
db:	NVD	id:	CVE-2019-18858	date:	2019-11-20T18:15:10.917