CVE-2018-20221 in the critical feed json
Secure/SAService.rem in Deltek Ajera Timesheets 9.10.16 and prior are vulnerable to remote code execution via deserialization of untrusted…
published 2019-03-17 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12788
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 10.3%
- EPSS 10.3% chance of exploitation in 30 days, percentile 95%
- public exploits
- 1
- Exploit-DB
Summary
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.
Timeline
- First public exploit (EDB-46086)
- Published
Exploit prediction
10.27% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-46086 Ajera Timesheets 9.10.16 - Deserialization of Untrusted Data webapps, 2019-01-07
- packetstormsecurity.com http://packetstormsecurity.com/files/151035/Ajera-Timesheets-9.10.16-Deserialization.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
packetstormsecurity.com
/files/151035/Ajera-Timesheets-9.10.16-Deserialization.html
exploit, third-party-advisory, vdb-entry
-
exploit-db.com
/exploits/46086/
exploit, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2018-20221
- NVD CVE-2018-20221
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.