CVE-2018-1000846: FreshDNS version 1.0.3 and earlier contains a Cross ite Request Forgery (CSRF) vulnerability in All (authentic

Q: How do I fix CVE-2018-1000846?

freshdns: upgrade to newer than 1.0.3. Exact commands for each OS are on this page.

Q: Is CVE-2018-1000846 being exploited?

CVE-2018-1000846 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-2018-1000846 affect?

CVE-2018-1000846 affects freshdns. Severity is high (CVSS 8.8). FreshDNS version 1.0.3 and earlier contains a Cross ite Request Forgery (CSRF) vulnerability in All (authenticated) API calls in index.php / class.manager.php that can result in Editing domains and zones with victim's privileges. This attac

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HIGH 8.8UPGRADE

CVE-2018-1000846 is a high-severity flaw (CVSS 8.8) affecting freshdns. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FreshDNS version 1.0.3 and earlier contains a Cross ite Request Forgery (CSRF) vulnerability in All (authenticated) API calls in index.php / class.manager.php that can result in Editing domains and zones with victim's privileges. This attack appear to be exploitable via Victim must open a website containing attacker's javascript. This vulnerability appears to have been fixed in 1.0.5 and later.

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	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-352
Published	2018-12-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: freshdns project

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

Am I affected?

Timeline

2018-12-20 15:29 UTCPublished CVE record published
2026-06-17 01:33 UTCUpdated Record last modified

freshdns project freshdns UPGRADE

Affected: <= 1.0.3

Fixed in: newer than 1.0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.0.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade freshdns

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade freshdns

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2018-1000846?

freshdns: upgrade to newer than 1.0.3. Exact commands for each OS are on this page.

Is CVE-2018-1000846 being exploited?

CVE-2018-1000846 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-2018-1000846 affect?

CVE-2018-1000846 affects freshdns. Severity is high (CVSS 8.8). FreshDNS version 1.0.3 and earlier contains a Cross ite Request Forgery (CSRF) vulnerability in All (authenticated) API calls in index.php / class.manager.php that can result in Editing domains and zones with victim's privileges. This attac

How urgent is CVE-2018-1000846?

Priority 43/100. High severity

Software pages

PHP vulnerabilities

Related CVEs

CVE-2018-1000847 MEDIUM 5.4 UPGRADE FreshDNS version 1.0.3 and prior contains a Cross Site Scripting (XSS) vulnerability in Account data form; Zon

References

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