CVE-2020-5549: Cross-site request forgery (CSRF) vulnerability in EasyBlocks IPv6 Ver

Q: How do I fix CVE-2020-5549?

easyblocks ipv6 firmware: upgrade to newer than 2.0.1; easyblocks ipv6 enterprise firmware: upgrade to newer than 2.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2020-5549 being exploited?

CVE-2020-5549 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-5549 affect?

CVE-2020-5549 affects easyblocks ipv6 firmware, easyblocks ipv6 enterprise firmware. Severity is high (CVSS 8.8). Cross-site request forgery (CSRF) vulnerability in EasyBlocks IPv6 Ver. 2.0.1 and earlier and Enterprise Ver. 2.0.1 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.

This month

HIGH 8.8UPGRADEUPGRADE

CVE-2020-5549 is a high-severity flaw (CVSS 8.8) affecting easyblocks ipv6 firmware, easyblocks ipv6 enterprise firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site request forgery (CSRF) vulnerability in EasyBlocks IPv6 Ver. 2.0.1 and earlier and Enterprise Ver. 2.0.1 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-352
Published	2020-04-08
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: plathome

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

Am I affected?

Timeline

2020-04-08 08:15 UTCPublished CVE record published
2026-06-17 03:21 UTCUpdated Record last modified

plathome easyblocks ipv6 firmware UPGRADE

Affected: <= 2.0.1

Fixed in: newer than 2.0.1

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.

plathome easyblocks ipv6 enterprise firmware UPGRADE

Affected: <= 2.0.1

Fixed in: newer than 2.0.1

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-2020-5549?

easyblocks ipv6 firmware: upgrade to newer than 2.0.1; easyblocks ipv6 enterprise firmware: upgrade to newer than 2.0.1. Exact commands for each OS are on this page.

Is CVE-2020-5549 being exploited?

CVE-2020-5549 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-2020-5549 affect?

CVE-2020-5549 affects easyblocks ipv6 firmware, easyblocks ipv6 enterprise firmware. Severity is high (CVSS 8.8). Cross-site request forgery (CSRF) vulnerability in EasyBlocks IPv6 Ver. 2.0.1 and earlier and Enterprise Ver. 2.0.1 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.

How urgent is CVE-2020-5549?

Priority 46/100. High severity

Related CVEs

CVE-2020-5550 HIGH 8.1 UPGRADE UPGRADE Session fixation vulnerability in EasyBlocks IPv6 Ver

References

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