CVE-2018-13111: There exists a partial Denial of Service vulnerability in Wanscam HW0021 IP Cameras

This month

MEDIUM 5.9REMOTEMITIGATE

CVE-2018-13111 is a medium-severity flaw (CVSS 5.9) affecting hw0021 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

There exists a partial Denial of Service vulnerability in Wanscam HW0021 IP Cameras. An attacker could craft a malicious POST request to crash the ONVIF service on such a device.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-20
Published	2018-09-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: wanscam

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-09-21 17:29 UTCPublished CVE record published
2026-06-17 01:38 UTCUpdated Record last modified

wanscam hw0021 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-13111?

hw0021 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-13111 being exploited?

CVE-2018-13111 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-13111 affect?

CVE-2018-13111 affects hw0021 firmware. Severity is medium (CVSS 5.9). There exists a partial Denial of Service vulnerability in Wanscam HW0021 IP Cameras. An attacker could craft a malicious POST request to crash the ONVIF service on such a device.

How urgent is CVE-2018-13111?

Priority 40/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2017-11510 CRITICAL 9.8 MITIGATE An information leak exists in Wanscam's HW0021 network camera that allows an unauthenticated remote attacker t

References

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