CVE-2017-7235: An issue was discovered in cloudflare-scrape 1.6.6 through 1.7.1

This month

HIGH 8.8DOWNGRADE

CVE-2017-7235 is a high-severity flaw (CVSS 8.8) affecting cloudflare-scrape. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in cloudflare-scrape 1.6.6 through 1.7.1. A malicious website owner could craft a page that executes arbitrary Python code against any cfscrape user who scrapes that website. This is fixed in 1.8.0.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Weakness	CWE-20
Published	2017-03-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cloudflare-scrape project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-03-23 04:59 UTCPublished CVE record published
2026-06-17 01:23 UTCUpdated Record last modified

cloudflare-scrape project cloudflare-scrape DOWNGRADE

Affected: 1.6.6 · 1.6.7 · 1.6.8 · 1.7.0 · 1.7.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.6

1. Check installed version

apt-cache policy cloudflare-scrape || rpm -q cloudflare-scrape || cloudflare-scrape --version

2. No fixed release: DOWNGRADE to a release before 1.6.6 (Debian / Ubuntu)

apt-cache madison cloudflare-scrape sudo apt install cloudflare-scrape=<VERSION_BEFORE_1.6.6> sudo apt-mark hold cloudflare-scrape

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cloudflare-scrape sudo dnf downgrade cloudflare-scrape-<VERSION_BEFORE_1.6.6> sudo dnf versionlock add cloudflare-scrape

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-7235?

cloudflare-scrape: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-7235 being exploited?

CVE-2017-7235 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-7235 affect?

CVE-2017-7235 affects cloudflare-scrape. Severity is high (CVSS 8.8). An issue was discovered in cloudflare-scrape 1.6.6 through 1.7.1. A malicious website owner could craft a page that executes arbitrary Python code against any cfscrape user who scrapes that website. This is fixed in 1.8.0.

How urgent is CVE-2017-7235?

Priority 50/100. High severity

Software pages

Python vulnerabilities · Cloudflare vulnerabilities

References

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