How severe is CVE-2017-7557?

CVE-2017-7557 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-7557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7557?

CVE-2017-7557 affects Powerdns Dnsdist. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7557?

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-2017-7557 published?

CVE-2017-7557 was published on 2017-08-22 and last updated on 2026-06-17.

CVE-2017-7557

CVE-2017-7557 is a high-severity vulnerability in Powerdns Dnsdist with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Powerdns Dnsdist
Published: 2017-08-22
Last modified: 2026-06-17

Description

dnsdist version 1.1.0 is vulnerable to a flaw in authentication mechanism for REST API potentially allowing CSRF attack.

Frequently asked questions

What is CVE-2017-7557?: dnsdist version 1.1.0 is vulnerable to a flaw in authentication mechanism for REST API potentially allowing CSRF attack.
How severe is CVE-2017-7557?: CVE-2017-7557 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-7557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7557?: CVE-2017-7557 affects Powerdns Dnsdist. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7557?: 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-2017-7557 published?: CVE-2017-7557 was published on 2017-08-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:powerdns:dnsdist:1.1.0:*:*:*:*:*:*:*

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