9.8

CVE-2020-27847: kots

CVSS: 9.8v3.1CriticalPublished
AliasesCGA-7prm-jrw5-j972CGA-hjvq-w27c-v46r
Published 28-05-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-27847 is a critical (CVSS 9.8) vulnerability in kots. EPSS estimates a 1.72% chance of exploitation in the next 30 days, higher than 77% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (OSV · Wolfi), selected by version preference
EPSS score
1.72%
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 0 · Related 3

Timeline

  1. 28-05-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. This flaw affects dex versions before 2.27.0.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.72%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

0.00 pp

From 1.72% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.72%

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

Chainguard1 product
  • kotsAll versions (No fix recorded)
Wolfi1 product
  • kotsAll versions (No fix recorded)

2 vendors · 2 products

References

3 links