Skip to content
Fencer Intel
high 8.8

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 7y ago modified 4mo 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.

Is CVE-2018-20221 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Timeline

  1. First public exploit (EDB-46086)
  2. Published

Exploit prediction

10.27% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

Sources

Fencer Intel 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.