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CVE-2021-47945

HIGHCVSS 8.5/10EPSS 0.11%

Last modified

CVE-2021-47945 is a high-severity vulnerability rated 8.5/10 on the CVSS scale. Argus Surveillance DVR 4.0 contains an unquoted service path vulnerability in the DVRWatchdog service that allows local attackers to escalate privileges by exploiting the service binary path. Attackers can place a malicious executable in the Program Files directory to be executed with LocalSystem privileges when the service starts.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

Argus Surveillance DVR 4.0 contains an unquoted service path vulnerability in the DVRWatchdog service that allows local attackers to escalate privileges by exploiting the service binary path. Attackers can place a malicious executable in the Program Files directory to be executed with LocalSystem privileges when the service starts.

Metrics

CVSS 3.1
7.8/10

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

CVSS 4.0
8.5/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.11%

1.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2021-47945?
Argus Surveillance DVR 4.0 contains an unquoted service path vulnerability in the DVRWatchdog service that allows local attackers to escalate privileges by exploiting the service binary path. Attackers can place a malicious executable in the Program Files directory to be executed with LocalSystem privileges when the service starts.
How severe is CVE-2021-47945?
CVE-2021-47945 has a CVSS score of 8.5/10 (HIGH severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.
How do I fix CVE-2021-47945?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-47945?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST