THREATPORT/VULNERABILITY/CVE-2020-26238
HIGH SEVERITY

CVE-2020-26238

Cron Utils vulnerability

CVSS
7.9
EPSS
4.2%
EPSS pct
90th
Exploited
No known
Cron-utils is a Java library to parse, validate, migrate crons as well as get human readable descriptions for them. In cron-utils before version 9.1.3, a template Injection vulnerability is present. This enables attackers to inject arbitrary Java EL expressions, leading to unauthenticated Remote Code Execution (RCE) vulnerability. Only projects using the @Cron annotation to validate untrusted Cron expressions are affected. This issue was patched in version 9.1.3.
Affected vendor
Cron Utils Project
Affected product
Cron Utils
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Weakness type (CWE)
Published
2020-11-25

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring low privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity.

Its EPSS score of 4.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2020-26238

  • Confirm whether Cron Utils Project Cron Utils is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-26238.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-26238

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