Deserialization in Cyberark Password Vault
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.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.167 (96.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.170 · newest: 0.167 · change: -0.003
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- seclists.org/fulldisclosure/2018/Apr/18 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- www.securitytracker.com/id/1040675 (VDB Entry, Third Party Advisory, vdb-entry)
- www.exploit-db.com/exploits/44429/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.redteam-pentesting.de/en/advisories/rt-sa-2017-014/-cyberark-password-vault… (Exploit, Third Party Advisory)
- www.securityfocus.com/archive/1/541932/100/0/threaded (mailing-list, Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-9843?
- CVE-2018-9843 is a critical-severity vulnerability in Cyberark Password Vault, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2018-04-12.
- How severe is CVE-2018-9843?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-9843 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.