Buffer overflow in Acti Nvr
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.162 (96.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.162 · newest: 0.162 · change: 0.000
Affected products
- Acti Nvr — versions 2.3.04.07, 3.0.12.42
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www2.acti.com/nvr3 (Product, Vendor Advisory)
- github.com/megamagnus/cve-2020-15956 (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/158771/ACTi-NVR3-Standard-Professional-Server-3.0… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15956?
- CVE-2020-15956 is a high-severity vulnerability in Acti Nvr, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2020-08-04.
- How severe is CVE-2020-15956?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-15956 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.