Vulnerability Monitor

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CVE-2020-15803

Zabbix before 3.0.32rc1, 4.x before 4.0.22rc1, 4.1.x through 4.4.x before 4.4.10rc1, and 5.x before 5.0.2rc1 allows stored XSS in the URL Widget.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.1, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, limited integrity, for affected systems. Impacting 5 products from zabbix, from fedoraproject, from debian and 2 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-07-17T03:15:11.437

Last Modified

2024-11-21T05:06:12.923

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	zabbix	zabbix	≤ 3.0.31	Yes
Application	zabbix	zabbix	≤ 4.0.21	Yes
Application	zabbix	zabbix	≤ 4.4.9	Yes
Application	zabbix	zabbix	≤ 5.0.1	Yes
Application	zabbix	zabbix	3.0.32	Yes
Application	zabbix	zabbix	4.0.22	Yes
Application	zabbix	zabbix	4.0.22	Yes
Application	zabbix	zabbix	4.4.10	Yes
Application	zabbix	zabbix	4.4.10	Yes
Application	zabbix	zabbix	5.0.2	Yes
Application	zabbix	zabbix	5.0.2	Yes
Operating System	fedoraproject	fedora	31	Yes
Operating System	fedoraproject	fedora	32	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	opensuse	backports	sle-15	Yes
Operating System	opensuse	backports	sle-15	Yes
Operating System	opensuse	leap	15.1	Yes
Operating System	opensuse	leap	15.2	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00007.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/08/msg00007.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2021/04/msg00018.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2023/04/msg00013.html ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ZHHIUYIVA5GZYLKW6A5G6HRELPOBZFE/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TIRIMOXH6GSBAANDCB3ANLJK4CRLWRXT/ ([email protected])
https://support.zabbix.com/browse/ZBX-18057 Patch, Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00007.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/08/msg00007.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2021/04/msg00018.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2023/04/msg00013.html (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ZHHIUYIVA5GZYLKW6A5G6HRELPOBZFE/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TIRIMOXH6GSBAANDCB3ANLJK4CRLWRXT/ (af854a3a-2127-422b-91ae-364da2661108)
https://support.zabbix.com/browse/ZBX-18057 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For zabbix's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.