Deserialization in Deltek Ajera

CVE-2018-20221

Secure/SAService.rem in Deltek Ajera Timesheets 9.10.16 and prior are vulnerable to remote code execution via deserialization of untrusted user input from an authenticated user. The executed code will run as the IIS Application Pool that is running the application.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.103 (95.6th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-20221: held from 0.103 to 0.103.

EPSS over last 30 days · oldest: 0.103 · newest: 0.103 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-20221?
CVE-2018-20221 is a high-severity vulnerability in Deltek Ajera, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2019-03-21.
How severe is CVE-2018-20221?
High severity. CVSS v3 base score is 8.8 out of 10.