CVE-2020-1877
NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500;...
NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an invalid pointer access vulnerability. The software system access an invalid pointer when administrator log in to the device and performs some operations. Successful exploit could cause certain process reboot.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an invalid pointer access vulnerability. The software system access an invalid pointer when administrator log in to the device and performs some operations. Successful exploit could cause certain process reboot.
- Record
CVE-2020-1877- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-824
- Updated
- 2026-11-02
CVE List No score
NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an invalid pointer access vulnerability. The software system access an invalid pointer when administrator log in to the device and performs some operations. Successful exploit could cause certain process reboot.
- Record
CVE-2020-1877- Updated
- 2026-11-02
EUVDEUVD-2020-12703 No score
NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an invalid pointer access vulnerability. The software system access an invalid pointer when administrator log in to the device and performs some operations. Successful exploit could cause certain process reboot.
- Record
EUVD-2020-12703- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x6w2-r9qf-4mp5 No score
NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500;...
NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an invalid pointer access vulnerability. The software system access an invalid pointer when administrator log in to the device and performs some operations. Successful exploit could cause certain process reboot.
- Record
GHSA-x6w2-r9qf-4mp5- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1877 is a medium vulnerability (CVSS 4.4) in Huawei Nip6800 Firmware, published February 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.