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Public proof of conceptFix available

CVE-2020-23160

A public proof of concept exists; no exploitation attested.

  • Published2021-01-26
  • Fixed in10.04k

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Remote code execution in Pyrescom Termod4 time management devices before 10.04k allows authenticated remote attackers to arbitrary commands as root on the devices.

Timeline

dates in UTC
  1. 2021-01-2618:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-04 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-23160?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-23160?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Pyres termod4 firmwareversion to verify
BranchAffectedFixed in
10.4< 10.04k10.04k

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Pyres termod4 firmware to 10.04k

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedOutpost24/Pyrescom-Termod-PoC
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2021-01-26
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-23160?

Remote code execution in Pyrescom Termod4 time management devices before 10.04k allows authenticated remote attackers to arbitrary commands as root on the devices.

Is CVE-2020-23160 actively exploited?

Active exploitation of CVE-2020-23160 has not been confirmed. Its EPSS score was 7.0% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-23160?

CVE-2020-23160 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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Same product first, then the same vendor advisory and the same publication week.

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Sources for this record