9.1

CVE-2020-29663: icinga Improper Certificate Validation

CVSS: 9.1v3.1CriticalModified
AliasesopenSUSE-SU-2021:1053-1openSUSE-SU-2021:1054-1openSUSE-SU-2021:1069-1
Published 15-12-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-29663 is a critical (CVSS 9.1) Improper Certificate Validation vulnerability in icinga. EPSS estimates a 1.57% chance of exploitation in the next 30 days, higher than 75% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
1.57%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2021:1089-1OPENSUSE-SU-2024:10856-1SUSE-SU-2022:3725-1

Timeline

  1. 15-12-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Icinga 2 v2.8.0 through v2.11.7 and v2.12.2 has an issue where revoked certificates due for renewal will automatically be renewed, ignoring the CRL. This issue is fixed in Icinga 2 v2.11.8 and v2.12.3.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.57%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.57% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.57%

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

Suse3 products
  • icinga2&distro=SUSE Package Hub 15 SP1< 2.12.4-bp151.3.6.1
  • icinga2&distro=SUSE Package Hub 15 SP2< 2.12.4-bp152.4.6.1
  • icinga2&distro=SUSE Package Hub 15 SP3< 2.12.4-bp153.2.3.1
Opensuse2 products
  • icinga2&distro=openSUSE Leap 15.2< 2.12.4-lp152.3.6.1
  • icinga2&distro=openSUSE Leap 15.3< 2.12.4-bp153.2.3.1
Debian1 product
  • icinga2< 2.12.3-1
Icinga1 product
  • icingaEOL≥ 2.8.0, ≤ 2.11.7 | 2.12.2
Ubuntu1 product
  • icinga2All versions (No fix recorded)

5 vendors · 8 products

References

13 links
Show all 13 references