What is CVE-2018-20956?

CVE-2018-20956 is a medium-severity vulnerability in Swann Swwhd-Intcam-Hd, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2019-08-08.

How severe is CVE-2018-20956?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Swann Swwhd-Intcam-Hd

CVE-2018-20956

Swann SWWHD-INTCAM-HD devices leave the PSK in logs after a factory reset. NOTE: all affected customers were migrated by 2020-08-31.

Published 2019-08-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

www.pentestpartners.com/security-blog/hacking-swann-home-security-camera-video/ (Exploit, Third Party Advisory)
www.swann.com/au/safe-by-swann-upgrade

Frequently asked questions

What is CVE-2018-20956?: CVE-2018-20956 is a medium-severity vulnerability in Swann Swwhd-Intcam-Hd, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2019-08-08.
How severe is CVE-2018-20956?: Medium severity. CVSS v3 base score is 5.5 out of 10.