7.5

CVE-2018-5530: f5 networks, inc. big-ip (ltm, aam, afm, analytics, apm, asm, edge gateway, pem, websafe) Uncontrolled Resource Consumption

CVSS: 7.5v3.0HighModified
Published 25-07-2018Last modified 16-09-2024

Vulnerability summary

CVE-2018-5530 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in f5 networks, inc. big-ip (ltm, aam, afm, analytics, apm, asm, edge gateway, pem, websafe). EPSS estimates a 1.76% chance of exploitation in the next 30 days, higher than 77.6% 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
1.76%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-07-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, or 11.6.0-11.6.3.1 virtual servers with HTTP/2 profiles enabled are vulnerable to "HPACK Bomb".

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.76%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

-0.02 pp

From 1.78% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.76%

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

Affected systems

F59 products
F5 networks, inc.1 product

2 vendors · 10 products

References

2 links