CVE-2022-25420: NTT Resonant Incorporated goo blog App Web Application 1.0 is vulnerable to CLRF injection

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-25420 is a critical-severity flaw (CVSS 9.8) affecting goo blog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

NTT Resonant Incorporated goo blog App Web Application 1.0 is vulnerable to CLRF injection. This vulnerability allows attackers to execute arbitrary code via a crafted HTTP request.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-74
Published	2022-03-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: nttr

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

Am I affected?

Timeline

2022-03-29 02:15 UTCPublished CVE record published
2026-06-17 04:33 UTCUpdated Record last modified

nttr goo blog DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy goo-blog || rpm -q goo-blog || goo-blog --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison goo-blog sudo apt install goo-blog=<VERSION_BEFORE_1.0> sudo apt-mark hold goo-blog

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list goo-blog sudo dnf downgrade goo-blog-<VERSION_BEFORE_1.0> sudo dnf versionlock add goo-blog

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2022-25420?

goo blog: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-25420 being exploited?

CVE-2022-25420 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-2022-25420 affect?

CVE-2022-25420 affects goo blog. Severity is critical (CVSS 9.8). NTT Resonant Incorporated goo blog App Web Application 1.0 is vulnerable to CLRF injection. This vulnerability allows attackers to execute arbitrary code via a crafted HTTP request.

How urgent is CVE-2022-25420?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2021-20728 MEDIUM 5.3 UPGRADE UPGRADE Improper access control vulnerability in goo blog App for Android ver.1.2.25 and earlier and for iOS ver.1.3.3

References

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