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...

7.4 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.59%Down 0.3 points since Apr 9, 2022

What each source reports

NVD Score used 7.4

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.

Record: CVE-2021-45104
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0: 5.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness: CWE-319
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2021-45104
Updated: 2026-11-02

EUVDEUVD-2021-31895 No score

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.

Record: EUVD-2021-31895
Updated: 2026-11-03

GitHub AdvisoriesGHSA-6j9j-gvj5-p6jx 7.4

An issue was discovered in HTCondor 9.0.x before 9.0.10 and 9.1.x before 9.5.1. An attacker who...

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.

Record: GHSA-6j9j-gvj5-p6jx
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-326
Updated: 2026-11-02

OSV 7.4

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.

Record: CVE-2021-45104
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2021-45104 7.4

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.

Record: UBUNTU-CVE-2021-45104
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

OSVopenSUSE-SU-2024:11976-1 No score

htcondor-9.0.11-1.1 on GA media

These are all security issues fixed in the htcondor-9.0.11-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:11976-1
Updated: 2026-11-02

Affected products

wisc htcondor

Affected packages

Affected packages
Package	Affected	Fixed
`condor` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 7.8.8~dfsg.1-27.8.8~dfsg.1-2.18.0.5~dfsg.1-1ubuntu18.0.5~dfsg.1-1ubuntu1+esm1	None known
`condor` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 8.2.9~dfsg.1-18.4.2~dfsg.1-18.4.2~dfsg.1-1build18.4.2~dfsg.1-1ubuntu0.1~esm1	None known
`condor` Ubuntu:18.04:LTS	All versions, plus listed versions 8.4.11~dfsg.1-28.4.11~dfsg.1-38.6.8~dfsg.1-18.6.8~dfsg.1-2	None known
`condor` Ubuntu:20.04:LTS	All versions, plus listed versions 8.6.8~dfsg.1-2build18.6.8~dfsg.1-2ubuntu1	None known
`condor` Ubuntu:24.04:LTS	All versions, plus listed versions 23.2.0+dfsg-123.2.0+dfsg-223.4.0+dfsg-123.4.0+dfsg-1ubuntu223.4.0+dfsg-1ubuntu323.4.0+dfsg-1ubuntu423.4.0+dfsg-1ubuntu4.1	None known
`condor` Ubuntu:25.10	All versions, plus listed versions 23.6.2+dfsg-2build123.9.6+dfsg-223.9.6+dfsg-2build123.9.6+dfsg-2.123.9.6+dfsg-2.1build2	None known
`condor` Ubuntu:26.10	All versions, plus listed versions 25.6.1+dfsg-125.8.2+dfsg-125.10.1+dfsg-125.10.1+dfsg-225.11.0+dfsg-125.12.2+dfsg-1	None known
`condor` Ubuntu:26.04:LTS	All versions, plus listed versions 23.9.6+dfsg-2.1build225.6.1+dfsg-1	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-45104 is a high vulnerability (CVSS 7.4) in Wisc Htcondor, published April 6, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. No source names a fixed version.

References

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