CVE-2020-15956
ActiveMediaServer.exe in ACTi NVR3 Standard Server 3.0.12.42 allows remote unauthenticated attackers to trigger a buffer overflow and application termination via a malformed payload.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 16.2%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
ActiveMediaServer.exe in ACTi NVR3 Standard Server 3.0.12.42 allows remote unauthenticated attackers to trigger a buffer overflow and application termination via a malformed payload.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 16.16% probability · 97th percentile
- Public exploits
- 1 in Exploit-DB · first 5 August 2020
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- acti/nvr
- Source
- cve@mitre.org
EPSS 16.2% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/158771/ACTi-NVR3-Standard-Professional-Server-3.0.12.42-Denial-Of-Service.htmlExploit, Third Party Advisory
- https://github.com/megamagnus/cve-2020-15956Exploit, Third Party Advisory
- https://www2.acti.com/nvr3Product, Vendor Advisory
- http://packetstormsecurity.com/files/158771/ACTi-NVR3-Standard-Professional-Server-3.0.12.42-Denial-Of-Service.htmlExploit, Third Party Advisory
- https://github.com/megamagnus/cve-2020-15956Exploit, Third Party Advisory
- https://www2.acti.com/nvr3Product, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.