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CVE-2017-0303

22
FAUCET Score

CVE-2017-0303 describes a resource exhaustion vulnerability in various F5 BIG-IP products, including LTM, AAM, AFM, and others, across several software versions. Under specific circumstances, connections handled by a Virtual Server with an associated SOCKS profile may not be properly terminated, leading to a build-up of connections in the connection table. This can eventually cause the BIG-IP device to become unresponsive and unable to process new connections, requiring a restart of TMM to resolve. The vulnerability has a CVSSv3 score of 7.5 (HIGH), indicating a high impact on availability (A:H) with low attack complexity (AC:L) and no user interaction required (UI:N). It can be exploited remotely over the network (AV:N). Despite its severity, there is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting it has not garnered significant public attention.

Impacted Technologies

VendorProductVersion(s)CPE
11.5.0CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_local_traffic_manager:11.5.0:*:*:*:*:*:*:*
11.5.1CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_local_traffic_manager:11.5.1:*:*:*:*:*:*:*
11.5.2CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_local_traffic_manager:11.5.2:*:*:*:*:*:*:*
11.5.3CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_local_traffic_manager:11.5.3:*:*:*:*:*:*:*
11.5.4CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_local_traffic_manager:11.5.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.66%
Probability of exploitation in next 30 days
EPSS Percentile
84.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0266 is in the 72nd percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

support.f5.com / csp/article/K30201296
Vendor Advisory
securityfocus.com / bid/101612
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039674
Third Party AdvisoryVDB Entry