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Vulnerability record · CVE-2018-20221 · published 21 March 2019

CVE-2018-20221: Deltek ajera deserialization of untrusted data vulnerability

Deltek · Ajera

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.

8.8 CVSS 3.0 High EPSS 10% · top 4.5% CWE-502 · Deserialization of untrusted data
8.8CVSS 3.0 base score, v2 6.5
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/151035/Ajera-Timesheets-9.10.16-Deserialization.html ExploitThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/46086/ ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/151035/Ajera-Timesheets-9.10.16-Deserialization.html ExploitThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/46086/ ExploitThird Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2018-20221), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.