What is CVE-2013-4982?

CVE-2013-4982 is a critical-severity vulnerability in Avtech Avn801 Dvr, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-12-27.

How severe is CVE-2013-4982?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2013-4982 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Avtech Avn801 Dvr

CVE-2013-4982

AVTECH AVN801 DVR has a security bypass via the administration login captcha

Vulnerability class: Broken Authentication

Published 2019-12-27 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.131 (96.2th percentile), scored 2026-09-29.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.131 · newest: 0.131 · change: 0.000

Affected products

Avtech Avn801 Dvr
Avtech Avn801 Dvr Firmware — versions 1017-1003-1009-1003

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

www.securityfocus.com/bid/62035 (VDB Entry, Third Party Advisory)
seclists.org/fulldisclosure/2013/Aug/284 (Exploit, Mailing List, Third Party Advisory)
www.coresecurity.com/advisories/avtech-dvr-multiple-vulnerabilities (Exploit)

Frequently asked questions

What is CVE-2013-4982?: CVE-2013-4982 is a critical-severity vulnerability in Avtech Avn801 Dvr, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-12-27.
How severe is CVE-2013-4982?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2013-4982 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.