Read the docs
TI-2021-12647 Aliases CVE-2021-33046GHSA-6v9x-wm34-846q

Improper authentication in Access control vulnerability found in some Dahua products

Priority MEDIUM 45CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

Some Dahua products have access control vulnerability in the password reset process. Attackers can exploit this vulnerability through specific deployments to reset device passwords.

Why it matters now

EPSS 0.01339 71st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Access control vulnerability found in some Dahua productsDahua IP Camera devices IPC-HX3XXX, and IPC-HX5XXX; PTZ Dome Camera SD1A1, SD22, SD49, SD50, SD52C, and SD6AL; Thermal TPC-BF1241,TPC-BF2221, TPC-SD2221; VTO2101E, VTOX221E, and ASC2204C devices Buildtime between 2017/7 ~ 2021/7. NVR devices NVR4XXX, and NVR5XXX; XVR devices XVR4XXX, and XVR5XXX; HCVR devices HCVR7XXX, and HCVR8XXX devices Buildtime between 2017/1 ~ 2021/7.—No fix listedCNA
  • Access control vulnerability found in some Dahua products Vendor— Affected Dahua IP Camera devices IPC-HX3XXX, and IPC-HX5XXX; PTZ Dome Camera SD1A1, SD22, SD49, SD50, SD52C, and SD6AL; Thermal TPC-BF1241,TPC-BF2221, TPC-SD2221; VTO2101E, VTOX221E, and ASC2204C devices Buildtime between 2017/7 ~ 2021/7. NVR devices NVR4XXX, and NVR5XXX; XVR devices XVR4XXX, and XVR5XXX; HCVR devices HCVR7XXX, and HCVR8XXX devices Buildtime between 2017/1 ~ 2021/7. Fixed in — No fix listed CNA

CPE configurations NVD · 56

CPEVersionsRoleVendor
cpe:2.3:o:dahuasecurity:ipc-hx1xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:ipc-hx1xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:ipc-hx2xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:ipc-hx2xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:ipc-hx3xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:ipc-hx3xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:ipc-hx5\(4\)\(3\)xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:ipc-hx5\(4\)\(3\)xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:ipc-hx5xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:ipc-hx5xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
  • cpe:2.3:o:dahuasecurity:ipc-hx1xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:ipc-hx1xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:ipc-hx2xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:ipc-hx2xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:ipc-hx3xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:ipc-hx3xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:ipc-hx5\(4\)\(3\)xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:ipc-hx5\(4\)\(3\)xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:ipc-hx5xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:ipc-hx5xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
Show 46 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:dahuasecurity:sd1a1_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:sd1a1:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:sd22_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:sd22:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:sd49_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:sd49:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:sd50_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:sd50:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:sd52c_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:sd52c:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:sd6al_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:sd6al:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:tpc-bf1241_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:tpc-bf1241:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:tpc-bf2221_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:tpc-bf2221:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:tpc-bf5x01_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:tpc-bf5x01:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:tpc-pt8x21x_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:tpc-pt8x21x:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:tpc-sd2221_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:tpc-sd2221:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:tpc-sd8x21_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:tpc-sd8x21:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:nvr1xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:nvr1xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:nvr2xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:nvr2xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:nvr4xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:nvr4xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:nvr5xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:nvr5xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:xvr4xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:xvr4xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:xvr5xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:xvr5xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:xvr7xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:xvr7xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:hcvr7xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:hcvr7xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:hcvr8xxx_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:hcvr8xxx:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:vtox20xf_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:vtox20xf:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
cpe:2.3:o:dahuasecurity:asc2204c_firmware:*:*:*:*:*:*:*:*2017-7 – 2021-7VulnerableDahua Technologies
cpe:2.3:h:dahuasecurity:asc2204c:-:*:*:*:*:*:*:*not specified by NVDRunning onDahua Technologies
  • cpe:2.3:o:dahuasecurity:sd1a1_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:sd1a1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:sd22_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:sd22:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:sd49_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:sd49:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:sd50_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:sd50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:sd52c_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:sd52c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:sd6al_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:sd6al:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:tpc-bf1241_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:tpc-bf1241:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:tpc-bf2221_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:tpc-bf2221:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:tpc-bf5x01_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:tpc-bf5x01:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:tpc-pt8x21x_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:tpc-pt8x21x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:tpc-sd2221_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:tpc-sd2221:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:tpc-sd8x21_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:tpc-sd8x21:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:nvr1xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:nvr1xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:nvr2xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:nvr2xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:nvr4xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:nvr4xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:nvr5xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:nvr5xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:xvr4xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:xvr4xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:xvr5xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:xvr5xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:xvr7xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:xvr7xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:hcvr7xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:hcvr7xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:hcvr8xxx_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:hcvr8xxx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:vtox20xf_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:vtox20xf:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies
  • cpe:2.3:o:dahuasecurity:asc2204c_firmware:*:*:*:*:*:*:*:* Versions 2017-7 – 2021-7 Vulnerable ·Dahua Technologies
  • cpe:2.3:h:dahuasecurity:asc2204c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dahua Technologies

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-33046
  2. 2026-10-03 Alias added: GHSA-6v9x-wm34-846q

References

Advisory 2

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences