CVE-2018-9995
CriticalExploitedPublic exploitTBK DVR4104 and DVR4216 devices, as well as Novo, CeNova, QSee, Pulnix, XVR 5 in 1, Securus, Night OWL, DVR Login, HVR Login, and MDVR Login, which run re-branded versions of the original TBK DVR4104 and DVR4216 series, allow remote attackers to bypass authentication via a…
Published Apr 10, 2018 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2018-9995 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Tbk-Dvr4104 Firmware (Tbkvision), Tbk-Dvr4216 Firmware (Tbkvision).
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Feb 25, 2020 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 82% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
82%
Higher than 99.6% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2018-9995 brief as a PDF
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Description
TBK DVR4104 and DVR4216 devices, as well as Novo, CeNova, QSee, Pulnix, XVR 5 in 1, Securus, Night OWL, DVR Login, HVR Login, and MDVR Login, which run re-branded versions of the original TBK DVR4104 and DVR4216 series, allow remote attackers to bypass authentication via a "Cookie: uid=admin" header, as demonstrated by a device.rsp?opt=user&cmd=list request that provides credentials within JSON data in a response.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Feb 25, 2020 | n/a | Known |
| CIRCL KEV | Oct 13, 2023 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Tbk-Dvr4104 FirmwareTbkvision | See advisory | n/a |
| Tbk-Dvr4216 FirmwareTbkvision | See advisory | n/a |
Timeline
Publicly disclosed
Apr 10, 2018
Added to Industry KEV feed
Feb 25, 2020
Added to CIRCL KEV
Oct 13, 2023
Last updated
Nov 21, 2024
References
- exploithttp://misteralfa-hack.blogspot.cl/2018/04/tbk-vision-dvr-login-bypass.html
- exploithttp://misteralfa-hack.blogspot.cl/2018/04/update-dvr-login-bypass-cve-2018-9995.html
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
TBK DVR4104 and DVR4216 devices, as well as Novo, CeNova, QSee, Pulnix, XVR 5 in 1, Securus, Night OWL, DVR Login, HVR Login, and MDVR Login, which run re-branded versions of the original TBK DVR4104 and DVR4216 series, allow remote attackers to bypass authentication via a "Cookie: uid=admin" header, as demonstrated b…
Affected: Tbk-Dvr4104 Firmware (Tbkvision); Tbk-Dvr4216 Firmware (Tbkvision). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Feb 25, 2020 and is known to be used in ransomware campaigns.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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