7.5

CVE-2015-8559: chef

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2015-8559
Published 21-09-2017Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2015-8559 is a high (CVSS 7.5) vulnerability in chef. EPSS estimates a 1.93% chance of exploitation in the next 30 days, higher than 79.7% 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
1.93%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-09-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The knife bootstrap command in chef Infra client before version 15.4.45 leaks the validator.pem private RSA key to /var/log/messages.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.93%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

0.00 pp

From 1.93% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.93%

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

Chef1 product
Ubuntu1 product
  • chefAll versions (No fix recorded)

2 vendors · 2 products

References

7 links