How severe is CVE-2018-20955?

CVE-2018-20955 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-20955 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20955?

CVE-2018-20955 affects Swann Swwhd-intcam-hd Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20955?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-20955 published?

CVE-2018-20955 was published on 2019-08-08 and last updated on 2026-06-17.

CVE-2018-20955

CVE-2018-20955 is a critical-severity vulnerability in Swann Swwhd-intcam-hd Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Swann Swwhd-intcam-hd Firmware
Published: 2019-08-08
Last modified: 2026-06-17

Description

Swann SWWHD-INTCAM-HD devices have the twipc root password, leading to FTP access as root. NOTE: all affected customers were migrated by 2020-08-31.

Frequently asked questions

What is CVE-2018-20955?: Swann SWWHD-INTCAM-HD devices have the twipc root password, leading to FTP access as root. NOTE: all affected customers were migrated by 2020-08-31.
How severe is CVE-2018-20955?: CVE-2018-20955 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-20955 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20955?: CVE-2018-20955 affects Swann Swwhd-intcam-hd Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-20955 published?: CVE-2018-20955 was published on 2019-08-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:swann:swwhd-intcam-hd_firmware:-:*:*:*:*:*:*:*

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