How severe is CVE-2018-20381?

CVE-2018-20381 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-2018-20381 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20381?

CVE-2018-20381 affects Technicolor Dpc2320 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20381?

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-2018-20381 published?

CVE-2018-20381 was published on 2018-12-23 and last updated on 2026-06-17.

CVE-2018-20381

CVE-2018-20381 is a critical-severity vulnerability in Technicolor Dpc2320 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Technicolor Dpc2320 Firmware
Published: 2018-12-23
Last modified: 2026-06-17

Description

Technicolor DPC2320 dpc2300r2-v202r1244101-150420a-v6 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.

Frequently asked questions

What is CVE-2018-20381?: Technicolor DPC2320 dpc2300r2-v202r1244101-150420a-v6 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.
How severe is CVE-2018-20381?: CVE-2018-20381 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-2018-20381 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20381?: CVE-2018-20381 affects Technicolor Dpc2320 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20381?: 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-2018-20381 published?: CVE-2018-20381 was published on 2018-12-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:technicolor:dpc2320_firmware:dpc2300r2-v202r1244101-150420a-v6:*:*:*:*:*:*:*