CVE-2019-18823

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-04-27 · updated 2026-06-17
Weakness: CWE-287

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)

Affected products

Debian Linux: 9.0, 10.0
Fedoraproject Fedora: 30, 31, 32
HTCondor: from 8.8.0 through 8.8.6; from 8.9.0 through 8.9.4

References

https://lists.debian.org/debian-lts-announce/2021/08/msg00000.html
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/
https://research.cs.wisc.edu/htcondor/new.html
https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0001.html
https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0002.html
https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0003.html
https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0004.html
https://www.debian.org/security/2022/dsa-5144
https://lists.debian.org/debian-lts-announce/2021/08/msg00000.html

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