What is CVE-2017-16816?

CVE-2017-16816 is a medium-severity vulnerability in Wisc Htcondor, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2018-07-05.

How severe is CVE-2017-16816?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Wisc Htcondor

CVE-2017-16816

The condor_schedd component in HTCondor before 8.6.8 and 8.7.x before 8.7.5 allows remote authenticated users to cause a denial of service (daemon crash) by leveraging use of GSI and VOMS extensions.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-07-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Wisc Htcondor

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www-auth.cs.wisc.edu/lists/htcondor-users/2017-November/msg00022.shtml (Vendor Advisory, mailing-list, Mailing List)
research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2017-0001.html (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2017-16816?: CVE-2017-16816 is a medium-severity vulnerability in Wisc Htcondor, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2018-07-05.
How severe is CVE-2017-16816?: Medium severity. CVSS v3 base score is 6.5 out of 10.