CVE-2021-45101
NVD-CWE-noinfoPublished: December 16, 2021· Updated: Jun 17, 2026
Official Description
An issue was discovered in HTCondor before 8.8.15, 9.0.x before 9.0.4, and 9.1.x before 9.1.2. Using standard command-line tools, a user with only READ access to an HTCondor SchedD or Collector daemon can discover secrets that could allow them to control other users' jobs and/or read their data.
Technical Analysis
CVE-2021-45101 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (NVD-CWE-noinfo)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-45101 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts