7.5

CVE-2018-15317: f5 networks, inc. big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, fps, gtm, link controller, pem, webaccelerator)

CVSS: 7.5v3.0HighModified
Published 31-10-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-15317 is a high (CVSS 7.5) vulnerability in f5 networks, inc. big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, fps, gtm, link controller, pem, webaccelerator). EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.2% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.36%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 31-10-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.5, 12.1.0-12.1.4.1, and 11.2.1-11.6.3.2, an attacker sending specially crafted SSL records to a SSL Virtual Server will cause corruption in the SSL data structures leading to intermittent decrypt BAD_RECORD_MAC errors. Clients will be unable to access the application load balanced by a virtual server with an SSL profile until tmm is restarted.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.36%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

0.00 pp

From 1.36% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

F513 products
  • big-ip_access_policy_manager≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.2 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7 | ≥ 14.0.0, ≤ 14.0.0.2
  • big-ip_advanced_firewall_manager≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.2 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7 | ≥ 14.0.0, ≤ 14.0.0.2
  • big-ip_analytics≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.2 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7 | ≥ 14.0.0, ≤ 14.0.0.2
  • big-ip_application_acceleration_manager≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.2 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7 | ≥ 14.0.0, ≤ 14.0.0.2
  • big-ip_domain_name_system≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.2 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7 | ≥ 14.0.0, ≤ 14.0.0.2
F5 networks, inc.1 product

2 vendors · 14 products

References

2 links