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CVE-2017-16816

20
FAUCET Score

CVE-2017-16816 describes a denial-of-service vulnerability in the condor_schedd component of HTCondor versions before 8.6.8 and 8.7.x before 8.7.5. This flaw allows remote authenticated users to crash the daemon by leveraging GSI and VOMS extensions. Rated 6.5 Medium, the attack requires low privileges and network access, leading to high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.6.8CPE matchmatch criteria
cpe:2.3:a:wisc:htcondor:*:*:*:*:*:*:*:*
>= 8.7.0, < 8.7.5CPE matchmatch criteria
cpe:2.3:a:wisc:htcondor:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.21%
Probability of exploitation in next 30 days
EPSS Percentile
65.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0121 is in the 79th percentile among its peer group of 21,977 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

redhatCVE-2017-16816Moderate

condor: DoS of condor_schedd via specially crafted VOMS proxy

Nov 14, 2017

References

research.cs.wisc.edu / htcondor/security/vulnerabilities/HTCONDOR-2017-0001.html
MitigationVendor Advisory
www-auth.cs.wisc.edu / lists/htcondor-users/2017-November/msg00022.shtml
Mailing ListVendor Advisory