What is CVE-2019-9976?

CVE-2019-9976 is a high-severity vulnerability in Dasannetworks H660rm, classified under Insertion of Sensitive Information into Log File. CVSS score: 8.8/10. Published 2019-04-11.

How severe is CVE-2019-9976?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2019-9976 known to be exploited?

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

Information disclosure in Dasannetworks H660rm

CVE-2019-9976

The Boa server configuration on DASAN H660RM devices with firmware 1.03-0022 logs POST data to the /tmp/boa-temp file, which allows logged-in users to read the credentials of administration web interface users.

Published 2019-04-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Dasannetworks H660rm
Dasannetworks H660rm Firmware — versions 1.03-0022

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

Public proof-of-concept exploits

References

blog.burghardt.pl/2019/03/boa-webserver-on-dasan-h660rm-devices-with-firmware-1… (Third Party Advisory)

Frequently asked questions

What is CVE-2019-9976?: CVE-2019-9976 is a high-severity vulnerability in Dasannetworks H660rm, classified under Insertion of Sensitive Information into Log File. CVSS score: 8.8/10. Published 2019-04-11.
How severe is CVE-2019-9976?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2019-9976 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.