How severe is CVE-2017-1000001?

CVE-2017-1000001 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-1000001 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-1000001?

CVE-2017-1000001 affects Fedoraproject Fedmsg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-1000001?

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-2017-1000001 published?

CVE-2017-1000001 was published on 2017-07-17 and last updated on 2026-06-17.

CVE-2017-1000001

CVE-2017-1000001 is a high-severity vulnerability in Fedoraproject Fedmsg with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Fedoraproject Fedmsg
Published: 2017-07-17
Last modified: 2026-06-17

Description

FedMsg 0.18.1 and older is vulnerable to a message validation flaw resulting in message validation not being enabled if configured to be on.

Frequently asked questions

What is CVE-2017-1000001?: FedMsg 0.18.1 and older is vulnerable to a message validation flaw resulting in message validation not being enabled if configured to be on.
How severe is CVE-2017-1000001?: CVE-2017-1000001 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-1000001 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-1000001?: CVE-2017-1000001 affects Fedoraproject Fedmsg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-1000001?: 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-2017-1000001 published?: CVE-2017-1000001 was published on 2017-07-17 and last updated on 2026-06-17.

References

https://github.com/fedora-infra/fedmsg/blob/0.18.2/CHANGELOG.rst

Affected products (1)

cpe:2.3:a:fedoraproject:fedmsg:*:*:*:*:*:*:*:*

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