How severe is CVE-2020-5550?

CVE-2020-5550 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2020-5550 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5550?

CVE-2020-5550 primarily affects Plathome Easyblocks Ipv6 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-5550?

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

When was CVE-2020-5550 published?

CVE-2020-5550 was published on 2020-04-08 and last updated on 2026-06-17.

CVE-2020-5550

CVE-2020-5550 is a high-severity vulnerability in Plathome Easyblocks Ipv6 Firmware with a CVSS 3.x base score of 8.1. 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-384.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.8
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Plathome Easyblocks Ipv6 Firmware
Published: 2020-04-08
Last modified: 2026-06-17

Description

Session fixation vulnerability in EasyBlocks IPv6 Ver. 2.0.1 and earlier, and Enterprise Ver. 2.0.1 and earlier allows remote attackers to impersonate a registered user and log in the management console, that may result in information alteration/disclosure via unspecified vectors.

Frequently asked questions

What is CVE-2020-5550?: Session fixation vulnerability in EasyBlocks IPv6 Ver. 2.0.1 and earlier, and Enterprise Ver. 2.0.1 and earlier allows remote attackers to impersonate a registered user and log in the management console, that may result in information alteration/disclosure via unspecified vectors.
How severe is CVE-2020-5550?: CVE-2020-5550 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2020-5550 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5550?: CVE-2020-5550 primarily affects Plathome Easyblocks Ipv6 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-5550?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-5550 published?: CVE-2020-5550 was published on 2020-04-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:plathome:easyblocks_ipv6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:plathome:easyblocks_ipv6_enterprise_firmware:*:*:*:*:*:*:*:*

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