How severe is CVE-2021-45103?

CVE-2021-45103 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-45103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45103?

CVE-2021-45103 affects Wisc Htcondor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45103?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-45103 published?

CVE-2021-45103 was published on 2022-04-06 and last updated on 2026-06-17.

CVE-2021-45103

CVE-2021-45103 is a high-severity vulnerability in Wisc Htcondor with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-532.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.5
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Wisc Htcondor
Published: 2022-04-06
Last modified: 2026-06-17

Description

An issue was discovered in HTCondor 9.0.x before 9.0.10 and 9.1.x before 9.5.1. An attacker can access files stored in S3 cloud storage that a user has asked HTCondor to transfer.

Frequently asked questions

What is CVE-2021-45103?: An issue was discovered in HTCondor 9.0.x before 9.0.10 and 9.1.x before 9.5.1. An attacker can access files stored in S3 cloud storage that a user has asked HTCondor to transfer.
How severe is CVE-2021-45103?: CVE-2021-45103 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-45103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45103?: CVE-2021-45103 affects Wisc Htcondor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45103?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-45103 published?: CVE-2021-45103 was published on 2022-04-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wisc:htcondor:*:*:*:*:*:*:*:*

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