CVE-2019-3807: power dns pdns-recursor
CVSS: 9.8v3.0CriticalModified
AliasesopenSUSE-SU-2019:0107-1UBUNTU-CVE-2019-3807DEBIAN-CVE-2019-3807
Published 29-01-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-3807 is a critical (CVSS 9.8) vulnerability in power dns pdns-recursor. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
0.37%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 29-01-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue has been found in PowerDNS Recursor versions 4.1.x before 4.1.9 where records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated, allowing an attacker to bypass DNSSEC validation.
CVSS metrics
5 scores · 4 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources4 sources · 3.7–9.8
- CVE.orgCNA3.7LowCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
+0.03 pp
From 0.34% on 21-09-2026
21-09-202621-10-2026
EPSS score0.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- pdns-recursor< 4.1.9-1
Power dns1 product
- pdns-recursorversions 4.1.x before 4.1.9
Powerdns1 product
- recursor≥ 4.1.0, ≤ 4.1.8
Suse1 product
- pdns-recursor&distro=SUSE Package Hub 15< 4.1.2-bp150.2.6.1
Ubuntu1 product
- pdns-recursorAll versions (No fix recorded)
5 vendors · 5 products
References
8 links- docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-02.htmlX Refsource CONFIRMREPORTVendor Advisory
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3807X Refsource CONFIRMIssue TrackingThird Party Advisory
- lists.opensuse.org/archives/…Advisory