CVE-2019-25031

low-risk
Published 2021-04-27

Unbound before 1.9.5 allows configuration injection in create_unbound_ad_servers.sh upon a successful man-in-the-middle attack against a cleartext HTTP session. NOTE: The vendor does not consider this a vulnerability of the Unbound software. create_unbound_ad_servers.sh is a contributed script from the community that facilitates automatic configuration creation. It is not part of the Unbound installation

Do I need to act?

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0.81% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (2)

Affected Vendors

Debian Nlnetlabs

References (6)

Mailing List https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html
Not Applicable https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/
Third Party Advisory https://security.netapp.com/advisory/ntap-20210507-0007/
Mailing List https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html
Not Applicable https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/
Third Party Advisory https://security.netapp.com/advisory/ntap-20210507-0007/
28
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 3/34 · Minimal
Exposure 7/34 · Low