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CVE-2018-14505

28
FAUCET Score

CVE-2018-14505 describes a DNS Rebinding vulnerability in mitmweb, a component of mitmproxy version 4.0.3, stemming from an issue in tools/web/app.py. This vulnerability carries a high CVSS score of 8.8, indicating a critical risk due to its network-based attack vector, low attack complexity, and potential for high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code in common repositories like Metasploit or ExploitDB, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.3CPE matchmatch criteria
cpe:2.3:a:mitmproxy:mitmproxy:4.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.35%
Probability of exploitation in next 30 days
EPSS Percentile
87.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0335 is in the 87th percentile among its peer group of 14,825 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: mitmproxyFixed in: 4.0.4

Vendor Advisories (1)

pipGHSA-6m53-c78q-7qmgcritical

Mitmweb in mitmproxy allows DNS Rebinding attacks

Jul 31, 2018

References

github.com / mitmproxy/mitmproxy/issues/3234
ExploitThird Party Advisory
github.com / mitmproxy/mitmproxy/pull/3243
Third Party Advisory