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Fencer Vulns
medium 6.5

CVE-2017-16816 json

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…

published 2018-07-05 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7991

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

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.

Patch / fix

  • wisc htcondor 8.6.8, 8.7.5
  • condor Debian 14, Debian 13 8.6.8~dfsg.1-1

debian advisories DEBIAN-CVE-2017-16816

  • condor Ubuntu Pro 14.04 LTS 8.0.5~dfsg.1-1ubuntu1+esm1
  • condor Ubuntu Pro 16.04 LTS 8.4.2~dfsg.1-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2017-16816

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-16816 updated cvss 6.5

condor: DoS of condor_schedd via specially crafted VOMS proxy

  • Red Hat Enterprise MRG 2 condor, condor-qmf, condor-kbdd, condor-aviary, condor-plumage, condor-vm-gahp, +3 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.68% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.