7.5

CVE-2020-12244: debian debian_linux

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-12244DEBIAN-CVE-2020-12244
Published 19-05-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-12244 is a high (CVSS 7.5) vulnerability in debian debian_linux. EPSS estimates a 2.43% chance of exploitation in the next 30 days, higher than 84% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.43%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 2
DSA-4691-1MGASA-2020-0223OPENSUSE-SU-2020:0698-1OPENSUSE-SU-2024:11157-1

Timeline

  1. 19-05-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.43%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

+0.06 pp

From 2.37% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.43%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Opensuse2 products
Fedoraproject1 product
Powerdns1 product
Ubuntu1 product
  • pdns-recursorAll versions (No fix recorded)

5 vendors · 7 products

References

10 links