CVE-2019-18823

Name: CVE-2019-18823
Creator: NVD / NIST
Published: 2020-04-27T15:15:12.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.81%

Last modified Jun 17, 2026

CVE-2019-18823 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. HTCondor up to and including stable series 8.8.6 and development series 8.9.4 has Incorrect Access Control. It is possible to use a different authentication method to submit a job than the administrator has specified. EPSS estimates a 2.81% chance of exploitation in the next 30 days.

Description

HTCondor up to and including stable series 8.8.6 and development series 8.9.4 has Incorrect Access Control. It is possible to use a different authentication method to submit a job than the administrator has specified. If the administrator has configured the READ or WRITE methods to include CLAIMTOBE, then it is possible to impersonate another user to the condor_schedd. (For example to submit or remove jobs)

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.81%

84.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Wisc	Htcondor	>= 8.8.0, <= 8.8.6
Wisc	Htcondor	>= 8.9.0, <= 8.9.4
Fedoraproject	Fedora	30
Fedoraproject	Fedora	31
Fedoraproject	Fedora	32
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://lists.debian.org/debian-lts-announce/2021/08/msg00000.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3EOTJJOSMYKXIYXWSG3H4KN332EDSEB6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BL5YCZXYS67MLJSHR4OLSWVHBE6PZJSB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMPZ7XPOPA4JGAQAUJ4K7JV653DSCIDK/
https://research.cs.wisc.edu/htcondor/Product
https://research.cs.wisc.edu/htcondor/new.htmlRelease Notes, Vendor Advisory
https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0001.htmlMitigation, Vendor Advisory
https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0002.htmlMitigation, Vendor Advisory
https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0003.htmlMitigation, Vendor Advisory
https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0004.htmlVendor Advisory
https://www.debian.org/security/2022/dsa-5144Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00000.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3EOTJJOSMYKXIYXWSG3H4KN332EDSEB6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BL5YCZXYS67MLJSHR4OLSWVHBE6PZJSB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMPZ7XPOPA4JGAQAUJ4K7JV653DSCIDK/
https://research.cs.wisc.edu/htcondor/Product
https://research.cs.wisc.edu/htcondor/new.htmlRelease Notes, Vendor Advisory
https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0001.htmlMitigation, Vendor Advisory
https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0002.htmlMitigation, Vendor Advisory
https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0003.htmlMitigation, Vendor Advisory
https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0004.htmlVendor Advisory
https://www.debian.org/security/2022/dsa-5144Third Party Advisory

Timeline

Published: Apr 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-18823?

How severe is CVE-2019-18823?

CVE-2019-18823 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.81% probability of exploitation in the next 30 days.

How do I fix CVE-2019-18823?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-18823?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST