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CVE-2019-6475

19
FAUCET Score

CVE-2019-6475 is a high-severity vulnerability affecting BIND versions 9.14.0-9.14.6 and 9.15.0-9.15.4, specifically within its mirror zone feature. An on-path attacker could exploit a flaw in validity checks to replace legitimately validated zone data, such as the root zone, with forged information. This could lead to DNS cache poisoning, with a CVSS score of 7.5 (High) due to its network attack vector and high integrity impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 9.14.0, <= 9.14.6CPE matchmatch criteria
cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
>= 9.15.0, <= 9.15.4CPE matchmatch criteria
cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.27%
Probability of exploitation in next 30 days
EPSS Percentile
66.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0127 is in the 46th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

redhatCVE-2019-6475Moderate

bind: A flaw in mirror zone validity checking can allow zone data to be spoofed

Oct 16, 2019

References

kb.isc.org / docs/cve-2019-6475
Vendor Advisory
security.netapp.com / advisory/ntap-20191024-0004
Third Party Advisory
support.f5.com / csp/article/K42238532