CVE-2018-9843

Name: CVE-2018-9843
Creator: NVD / NIST
Published: 2018-04-12T15:29:00.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 17.34%

Last modified Jun 17, 2026

CVE-2018-9843 is a vulnerability of currently unknown severity. The REST API in CyberArk Password Vault Web Access before 9.9.5 and 10.x before 10.1 allows remote attackers to execute arbitrary code via a serialized .NET object in an Authorization HTTP header.. EPSS estimates a 17.34% chance of exploitation in the next 30 days.

Description

The REST API in CyberArk Password Vault Web Access before 9.9.5 and 10.x before 10.1 allows remote attackers to execute arbitrary code via a serialized .NET object in an Authorization HTTP header.

Metrics

EPSS Probability

17.34%

96.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Cyberark	Password Vault	< 9.9.5
Cyberark	Password Vault	>= 10.0, < 10.1

References

http://seclists.org/fulldisclosure/2018/Apr/18Exploit, Mailing List, Third Party Advisory
http://www.securityfocus.com/archive/1/541932/100/0/threadedExploit, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040675Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/44429/Exploit, Third Party Advisory, VDB Entry
https://www.redteam-pentesting.de/en/advisories/rt-sa-2017-014/-cyberark-password-vault-web-access-remote-code-executionExploit, Third Party Advisory
http://seclists.org/fulldisclosure/2018/Apr/18Exploit, Mailing List, Third Party Advisory
http://www.securityfocus.com/archive/1/541932/100/0/threadedExploit, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040675Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/44429/Exploit, Third Party Advisory, VDB Entry
https://www.redteam-pentesting.de/en/advisories/rt-sa-2017-014/-cyberark-password-vault-web-access-remote-code-executionExploit, Third Party Advisory

Timeline

Published: Apr 12, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-9843?

The REST API in CyberArk Password Vault Web Access before 9.9.5 and 10.x before 10.1 allows remote attackers to execute arbitrary code via a serialized .NET object in an Authorization HTTP header.

How severe is CVE-2018-9843?

Severity scoring for CVE-2018-9843 is pending analysis. The EPSS model estimates a 17.34% probability of exploitation in the next 30 days.

How do I fix CVE-2018-9843?

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-2018-9843?

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

Scan your code now

Source: NVD / NIST