CVE-2019-25031: debian debian_linux Injection
Vulnerability summary
CVE-2019-25031 is a medium (CVSS 5.9) Injection vulnerability in debian debian_linux. EPSS estimates a 1.68% chance of exploitation in the next 30 days, higher than 76.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 6 · Related 5Timeline
- 27-04-2021PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
1.68%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
+0.34 pp
From 1.34% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- unbound< 1.9.6-1
- debian_linuxEOL9.0
Nlnetlabs1 product
- unbound< 1.9.5
Ubuntu1 product
- unbound< 1.6.7-1ubuntu2.4 | < 1.9.4-2ubuntu1.2
3 vendors · 4 products
References
7 links- ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/X Refsource MISCREPORTNot ApplicableThird Party Advisory
lists.debian.org/debian-lts-announce/2021/05/msg00007.htmlMailing ListX Refsource MLISTThird Party Advisory