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CVE-2021-43857

Gerapy may contain remote code execution vulnerability

9.8 CriticalPublic exploitFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

55.6%Up 53.8 points since Dec 28, 2021
90%50%10%1%

What each source reports

CVE List Score used 9.8

Gerapy may contain remote code execution vulnerability

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.

Record
CVE-2021-43857
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02
EUVDEUVD-2021-0092 9.8

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.

Record
EUVD-2021-0092
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-9w7f-m4j4-j3xw 9.3

Gerapy may cause remote code execution

Impact

project_configure function exist remote code execute in Gerapy < 0.9.8

Patches

Patched in version 0.9.8, please install with:

pip3 install -U gerapy
Record
GHSA-9w7f-m4j4-j3xw
CVSS 4.0
9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02
NVD 9.8

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.

Record
CVE-2021-43857
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness
CWE-78
Updated
2026-11-02
OSV 8.8

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.

Record
CVE-2021-43857
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-9w7f-m4j4-j3xw 9.3

Gerapy may cause remote code execution

Impact

project_configure function exist remote code execute in Gerapy < 0.9.8

Patches

Patched in version 0.9.8, please install with:

pip3 install -U gerapy
Record
GHSA-9w7f-m4j4-j3xw
CVSS 4.0
9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02
OSVPYSEC-2021-867 No score

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.

Record
PYSEC-2021-867
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
gerapy
PyPI
 before 0.9.8
0.9.8
gerapy
PyPI
 before 0.9.8, plus listed versions
0.6.60.6.70.6.80.6.90.7.0
Show 35 moreShow less
0.7.10.7.20.7.30.7.60.7.70.7.80.7.90.8.00.8.10.8.20.8.30.8.4rc20.8.50.8.5rc20.8.60.8.6a00.8.6b00.8.6b10.8.6rc10.8.6rc20.8.70.8.80.9.00.9.10.9.20.9.2a00.9.2rc10.9.30.9.3a10.9.3a20.9.3b10.9.50.9.60.9.6a10.9.7
0.9.8

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBGerapy 0.9.7 - Remote Code Execution (RCE) (Authenticated)2022-01-05
PoC in GitHubG4sp4rCS/CVE-2021-43857-POC2025-04-24
PoC in GitHubLongWayHomie/CVE-2021-438572022-01-03
PoC in GitHubProwlSec/gerapy-cve-2021-438572025-07-29
PoC in GitHubafifudinmtop/CVE-2021-43857-Gerapy-v0.9.72026-01-30
PoC in GitHublowkey0808/CVE-2021-438572022-04-26

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-43857 is a critical vulnerability (CVSS 9.8) in Gerapy, published December 27, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 55.6%, the 99th percentile. Fixed in gerapy 0.9.8.

References

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