CVE-2020-21583

MEDIUM EPSS 40.2%
Published Aug 22, 20232y ago · Modified Jun 17, 20262w ago
6.7 CVSS 3.1
Medium
Find Similar
Published Aug 22, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

Description

An issue was discovered in hwclock.13-v2.27 allows attackers to gain escalated privlidges or execute arbitrary commands via the path parameter when setting the date.

CVSS Details

Base Score
6.7
Exploitability
0.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
40.2% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-78 OS Command Injection Injection

Affected Products 1

VendorProductVersionRange
kernelutil-linux* <2.27

References 3

  • bugs.debian.org https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=786804
    ExploitMailing ListPatchThird Party Advisory
  • packetstormsecurity.com https://packetstormsecurity.com/files/132061/hwclock-Privilege-Escalation.html
    ExploitThird Party AdvisoryVDB Entry
  • security.netapp.com https://security.netapp.com/advisory/ntap-20241220-0006/

Remediation

  • bugs.debian.org https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=786804
    ExploitMailing ListPatchThird Party Advisory