What is CVE-2021-45104?

CVE-2021-45104 is a high-severity vulnerability in Wisc Htcondor, classified under Cleartext Transmission of Sensitive Information. CVSS score: 7.4/10. Published 2022-04-06.

How severe is CVE-2021-45104?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Wisc Htcondor

CVE-2021-45104

An issue was discovered in HTCondor 9.0.x before 9.0.10 and 9.1.x before 9.5.1. An attacker who can capture HTCondor network data can interfere with users' jobs and data.

Published 2022-04-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Wisc Htcondor

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2021-0006/ (Broken Link)
research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2022-0002 (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2021-45104?: CVE-2021-45104 is a high-severity vulnerability in Wisc Htcondor, classified under Cleartext Transmission of Sensitive Information. CVSS score: 7.4/10. Published 2022-04-06.
How severe is CVE-2021-45104?: High severity. CVSS v3 base score is 7.4 out of 10.