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CVE-2017-7921
CVE
Critical KEVConfirmedExploit available

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…

CVSS
9.8
Critical
EPSS
0.94
p99
Published
2017-01-01
Updated
2026-03-05
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.

Tags · CWE
KEVPre-auth
CWE-287
CAPEC-22
CAPEC-57
CAPEC-94
CAPEC-114
CAPEC-115
CAPEC-151
CAPEC-194
CAPEC-593
CAPEC-633
CAPEC-650
Affected products
Ds-2cd2032-i_firmwareDs-2cd2112-i_firmwareDs-2cd2132-i_firmwareDs-2cd2212-i5_firmwareDs-2cd2232-i5_firmwareDs-2cd2312-i_firmwareDs-2cd2332-i_firmwareDs-2cd2412f-i(w)_firmwareDs-2cd2432f-i(w)_firmwareDs-2cd2512f-i(s)_firmwareDs-2cd2532f-i(s)_firmwareDs-2cd2612f-i(s)_firmwareDs-2cd2632f-i(s)_firmwareDs-2cd2712f-i(s)_firmwareDs-2cd2732f-i(s)_firmwareDs-2cd2t32-i3_firmwareDs-2cd2t32-i5_firmwareDs-2cd2t32-i8_firmwareDs-2cd4012f-(a)_firmwareDs-2cd4012f-(p)_firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Timeline
2017-01-01
Published
2026-03-05
Added to KEV
2026-03-05
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.942 · p99
Known exploited (KEV)
Yes
MITRE ATT&CK
Inferred via CAPEC
└ via CAPEC-57 · CWE-287
└ via CAPEC-633 · CWE-287
└ via CAPEC-593 · CWE-287
└ via CAPEC-650 · CWE-287
└ via CAPEC-114 · CWE-287
└ via CAPEC-593 · CWE-287
└ via CAPEC-94 · CWE-287
└ via CAPEC-593 · CWE-287
Known exploits — Сканер-ВС
CVE-2017-7921
cisa · https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Enterprise
Affected software
ProductVendorStatus
ds-2cd2032-i_firmware*Exploited
ds-2cd2112-i_firmware*Exploited
ds-2cd2132-i_firmware*Exploited
ds-2cd2212-i5_firmware*Exploited
ds-2cd2232-i5_firmware*Exploited
ds-2cd2312-i_firmware*Exploited
ds-2cd2332-i_firmware*Exploited
ds-2cd2412f-i(w)_firmware*Exploited
ds-2cd2432f-i(w)_firmware*Exploited
ds-2cd2512f-i(s)_firmware*Exploited
ds-2cd2532f-i(s)_firmware*Exploited
ds-2cd2612f-i(s)_firmware*Exploited
ds-2cd2632f-i(s)_firmware*Exploited
ds-2cd2712f-i(s)_firmware*Exploited
ds-2cd2732f-i(s)_firmware*Exploited
ds-2cd2t32-i3_firmware*Exploited
ds-2cd2t32-i5_firmware*Exploited
ds-2cd2t32-i8_firmware*Exploited
ds-2cd4012f-(a)_firmware*Exploited
ds-2cd4012f-(p)_firmware*Exploited
Source databases
CVE
Related vulnerabilities