CVE-2021-43857

Name: CVE-2021-43857
Creator: NVD / NIST
Published: 2021-12-27T19:15:08.683+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 55.61%

Last modified Jun 17, 2026

CVE-2021-43857 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Gerapy is a distributed crawler management framework. Gerapy prior to version 0.9.8 is vulnerable to remote code execution, and this issue is patched in version 0.9.8.. EPSS estimates a 55.61% chance of exploitation in the next 30 days.

Description

Gerapy is a distributed crawler management framework. Gerapy prior to version 0.9.8 is vulnerable to remote code execution, and this issue is patched in version 0.9.8.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

55.61%

98.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Gerapy	Gerapy	< 0.9.8

References

http://packetstormsecurity.com/files/165459/Gerapy-0.9.7-Remote-Code-Execution.htmlExploit, Third Party Advisory
https://github.com/Gerapy/Gerapy/commit/49bcb19be5e0320e7e1535f34fe00f16a3cf3b28Patch, Third Party Advisory
https://github.com/Gerapy/Gerapy/issues/219Issue Tracking, Third Party Advisory
https://github.com/Gerapy/Gerapy/security/advisories/GHSA-9w7f-m4j4-j3xwThird Party Advisory
http://packetstormsecurity.com/files/165459/Gerapy-0.9.7-Remote-Code-Execution.htmlExploit, Third Party Advisory
https://github.com/Gerapy/Gerapy/commit/49bcb19be5e0320e7e1535f34fe00f16a3cf3b28Patch, Third Party Advisory
https://github.com/Gerapy/Gerapy/issues/219Issue Tracking, Third Party Advisory
https://github.com/Gerapy/Gerapy/security/advisories/GHSA-9w7f-m4j4-j3xwThird Party Advisory

Timeline

Published: Dec 27, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43857?

Gerapy is a distributed crawler management framework. Gerapy prior to version 0.9.8 is vulnerable to remote code execution, and this issue is patched in version 0.9.8.

How severe is CVE-2021-43857?

CVE-2021-43857 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 55.61% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43857?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43857?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST