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CVE-2021-45104

24
FAUCET Score

CVE-2021-45104 describes a high-severity vulnerability in HTCondor versions 9.0.x before 9.0.10 and 9.1.x before 9.5.1, where an attacker can interfere with user jobs and data by capturing network traffic. The vulnerability has a CVSS score of 7.4 (HIGH), indicating a network attack vector with high complexity, requiring no user interaction, and leading to high confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.9.3, < 9.0.10CPE matchmatch criteria
cpe:2.3:a:wisc:htcondor:*:*:*:*:*:*:*:*
>= 9.1.0, < 9.6.0CPE matchmatch criteria
cpe:2.3:a:wisc:htcondor:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.4HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.57%
Probability of exploitation in next 30 days
EPSS Percentile
43.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0057 is in the 16th percentile among its peer group of 8,915 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

research.cs.wisc.edu / htcondor/security/vulnerabilities/HTCONDOR-2021-0006
Broken Link
research.cs.wisc.edu / htcondor/security/vulnerabilities/HTCONDOR-2022-0002
MitigationVendor Advisory