CVE-2017-7921

CriticalCVSS 9.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

Description

An Improper Authentication issue was discovered in Hikvision DS-2CD2xx2F-I Series V5.2.0 build 140721 to V5.4.0 build 160530, DS-2CD2xx0F-I Series V5.2.0 build 140721 to V5.4.0 Build 160401, DS-2CD2xx2FWD Series V5.3.1 build 150410 to V5.4.4 Build 161125, DS-2CD4x2xFWD Series V5.2.0 build 140721 to V5.4.0 Build 160414, DS-2CD4xx5 Series V5.2.0 build 140721 to V5.4.0 Build 160421, DS-2DFx Series V5.2.0 build 140805 to V5.4.5 Build 160928, and DS-2CD63xx Series V5.0.9 build 140305 to V5.3.5 Build 160106 devices. The improper authentication vulnerability occurs when an application does not adequately or correctly authenticate users. This may allow a malicious user to escalate his or her privileges on the system and gain access to sensitive information.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 6, 2017
Last modified
Jun 17, 2026
Added to CISA KEV
Mar 5, 2026
NVD status
Analyzed

Related CVEs from 2017

CVE-2017-79227.6An Improper Privilege Management issue was discovered in Cambium Networks ePMP. The privileges for SNMP community strings are not properly rCVE-2017-79238.8A Password in Configuration File issue was discovered in Hikvision DS-2CD2xx2F-I Series V5.2.0 build 140721 to V5.4.0 build 160530, DS-2CD2xCVE-2017-79247.5An Improper Input Validation issue was discovered in Rockwell Automation MicroLogix 1100 controllers 1763-L16BWA, 1763-L16AWA, 1763-L16BBB, CVE-2017-79259.8A Password in Configuration File issue was discovered in Dahua DH-IPC-HDBW23A0RN-ZS, DH-IPC-HDBW13A0SN, DH-IPC-HDW1XXX, DH-IPC-HDW2XXX, DH-ICVE-2017-79268.8A Cross-Site Request Forgery issue was discovered in OSIsoft PI Web API versions prior to 2017 (1.9.0). The vulnerability allows cross-site CVE-2017-79277.3A Use of Password Hash Instead of Password for Authentication issue was discovered in Dahua DH-IPC-HDBW23A0RN-ZS, DH-IPC-HDBW13A0SN, DH-IPC-CVE-2017-792810.0An Improper Access Control issue was discovered in Schweitzer Engineering Laboratories (SEL) SEL-3620 and SEL-3622 Security Gateway VersionsCVE-2017-79297.1An Absolute Path Traversal issue was discovered in Advantech WebAccess Version 8.1 and prior. The absolute path traversal vulnerability has CVE-2017-79307.4An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Data Archive has protocCVE-2017-79319.8In ABB IP GATEWAY 3.39 and prior, by accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to acceCVE-2017-79326.0An improper certificate validation issue was discovered in NXP i.MX 28 i.MX 50, i.MX 53, i.MX 7Solo i.MX 7Dual Vybrid VF3xx, Vybrid VF5xx, VCVE-2017-79339.8In ABB IP GATEWAY 3.39 and prior, some configuration files contain passwords stored in plain-text, which may allow an attacker to gain unaut
CVE-2017-7921: Critical severity, CVSS 9.8 | Vulnix