CVE-2018-20613: TEMMOKU T1.09 Beta allows admin/user/add CSRF.

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HIGH 8.8DOWNGRADE

CVE-2018-20613 is a high-severity flaw (CVSS 8.8) affecting temmoku. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TEMMOKU T1.09 Beta allows admin/user/add CSRF.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-352
Published	2018-12-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: temmoku project

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

Am I affected?

Timeline

2018-12-30 21:29 UTCPublished CVE record published
2026-06-17 01:53 UTCUpdated Record last modified

temmoku project temmoku DOWNGRADE

Affected: t1.09 beta

Fixed in: no fixed release known

Safe to downgrade to: a release before t1.09

1. Check installed version

apt-cache policy temmoku || rpm -q temmoku || temmoku --version

2. No fixed release: DOWNGRADE to a release before t1.09 (Debian / Ubuntu)

apt-cache madison temmoku sudo apt install temmoku=<VERSION_BEFORE_t1.09> sudo apt-mark hold temmoku

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

dnf --showduplicates list temmoku sudo dnf downgrade temmoku-<VERSION_BEFORE_t1.09> sudo dnf versionlock add temmoku

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-2018-20613?

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

Is CVE-2018-20613 being exploited?

CVE-2018-20613 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-2018-20613 affect?

CVE-2018-20613 affects temmoku. Severity is high (CVSS 8.8). TEMMOKU T1.09 Beta allows admin/user/add CSRF.

How urgent is CVE-2018-20613?

Priority 46/100. High severity; Public exploit reference

References

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