What is CVE-2021-45103?

CVE-2021-45103 is a high-severity vulnerability in Wisc Htcondor, classified under Insertion of Sensitive Information into Log File. CVSS score: 8.1/10. Published 2022-04-06.

How severe is CVE-2021-45103?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2021-45103 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Wisc Htcondor

CVE-2021-45103

An issue was discovered in HTCondor 9.0.x before 9.0.10 and 9.1.x before 9.5.1. An attacker can access files stored in S3 cloud storage that a user has asked HTCondor to transfer.

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

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.8% 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

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

Public proof-of-concept exploits

References

research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2021-0005/ (Broken Link)
research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2022-0001 (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2021-45103?: CVE-2021-45103 is a high-severity vulnerability in Wisc Htcondor, classified under Insertion of Sensitive Information into Log File. CVSS score: 8.1/10. Published 2022-04-06.
How severe is CVE-2021-45103?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2021-45103 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.