CVE-2020-14196: powerdns recursor Incorrect Authorization
CVSS: 5.3v3.1MediumModified
AliasesMGASA-2020-0286openSUSE-SU-2020:1005-1openSUSE-SU-2020:1055-1openSUSE-SU-2020:1101-1UBUNTU-CVE-2020-14196DEBIAN-CVE-2020-14196
Published 01-07-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-14196 is a medium (CVSS 5.3) Incorrect Authorization vulnerability in powerdns recursor. EPSS estimates a 1.70% chance of exploitation in the next 30 days, higher than 76.9% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (NVD)EPSS score
1.70%
0%100%
Low · 0.00 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
- 01-07-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In PowerDNS Recursor versions up to and including 4.3.1, 4.2.2 and 4.1.16, the ACL restricting access to the internal web server is not properly enforced.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.70%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
0.00 pp
From 1.70% on 20-09-2026
20-09-202620-10-2026
EPSS score1.70%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse3 products
- pdns-recursor&distro=SUSE Package Hub 12 SP1< 4.1.12-bp151.4.6.1
- pdns-recursor&distro=SUSE Package Hub 15 SP1< 4.1.12-bp151.4.6.1
- pdns-recursor&distro=SUSE Package Hub 15 SP2< 4.1.12-bp152.2.4.1 | < 4.3.2-bp152.2.8.1
Opensuse2 products
- pdns-recursor&distro=openSUSE Leap 15.1< 4.1.12-bp151.4.6.1
- pdns-recursor&distro=openSUSE Leap 15.2< 4.1.12-bp151.4.6.1
Debian1 product
- pdns-recursor< 4.3.2-1
Mageia1 product
- pdns-recursor< 4.1.17-1.mga7
Powerdns1 product
- recursor≤ 4.1.16 | ≥ 4.2.0, ≤ 4.2.2 | ≥ 4.3.0, ≤ 4.3.1
Ubuntu1 product
- pdns-recursorAll versions (No fix recorded)
6 vendors · 9 products
References
19 links- www.openwall.com/lists/oss-security/2020/07/01/1X Refsource CONFIRMREPORTMailing ListRelease NotesThird Party Advisory
- doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-04.htmlX Refsource CONFIRMREPORTVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00043.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
Show all 19 references
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory