What is CVE-2021-45102?

CVE-2021-45102 is a high-severity vulnerability in Wisc Htcondor, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2021-12-16.

How severe is CVE-2021-45102?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Wisc Htcondor

CVE-2021-45102

An issue was discovered in HTCondor 9.0.x before 9.0.4 and 9.1.x before 9.1.2. When authenticating to an HTCondor daemon using a SciToken, a user may be granted authorizations beyond what the token should allow.

Vulnerability class: Broken Access Control

Published 2021-12-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Wisc Htcondor — versions 9.0.0, 9.0.1, 9.0.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2021-0004/ (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2021-45102?: CVE-2021-45102 is a high-severity vulnerability in Wisc Htcondor, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2021-12-16.
How severe is CVE-2021-45102?: High severity. CVSS v3 base score is 8.8 out of 10.