7.5

CVE-2022-2529: cloudflare goflow Improper Input Validation

CVSS: 7.5v3.1HighModified
AliasesGHSA-9rpw-2h95-666cGO-2022-1032
Published 30-09-2022Last modified 20-05-2025
Open JSON

Vulnerability summary

CVE-2022-2529 is a high (CVSS 7.5) Improper Input Validation vulnerability in cloudflare goflow. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.97%
0%100%
Low · +0.10 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-09-2022
    PublishedVulnerability first disclosed.
  2. 20-05-2025
    Last modifiedVulnerability information updated.

Description

sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.97%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

+0.10 pp

From 0.87% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.97%

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

Cloudflare1 product
  • goflow≥ unspecified, < 3.4.4 | < 3.4.4
Github.com/cloudflare1 product
  • goflowAll versions (No fix recorded)
Github.com/cloudflare/goflow1 product
  • v3< 3.4.4

3 vendors · 3 products

References

6 links