How severe is CVE-2018-14505?

CVE-2018-14505 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-2018-14505 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14505?

CVE-2018-14505 affects Mitmproxy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14505?

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-2018-14505 published?

CVE-2018-14505 was published on 2018-07-22 and last updated on 2026-06-17.

CVE-2018-14505

CVE-2018-14505 is a high-severity vulnerability in Mitmproxy 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-20.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Mitmproxy
Published: 2018-07-22
Last modified: 2026-06-17

Description

mitmweb in mitmproxy v4.0.3 allows DNS Rebinding attacks, related to tools/web/app.py.

Frequently asked questions

What is CVE-2018-14505?: mitmweb in mitmproxy v4.0.3 allows DNS Rebinding attacks, related to tools/web/app.py.
How severe is CVE-2018-14505?: CVE-2018-14505 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-2018-14505 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14505?: CVE-2018-14505 affects Mitmproxy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14505?: 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-2018-14505 published?: CVE-2018-14505 was published on 2018-07-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mitmproxy:mitmproxy:4.0.3:*:*:*:*:*:*:*

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