CVE-2020-23162: Sensitive information disclosure and weak encryption in Pyrescom Termod4 time management devices before 10.04k

Q: How do I fix CVE-2020-23162?

termod4 firmware: upgrade to 10.04k. Exact commands for each OS are on this page.

Q: Is CVE-2020-23162 being exploited?

CVE-2020-23162 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-23162 affect?

CVE-2020-23162 affects termod4 firmware. Severity is high (CVSS 7.5). Sensitive information disclosure and weak encryption in Pyrescom Termod4 time management devices before 10.04k allows remote attackers to read a session-file and obtain plain-text user credentials.

Q: How urgent is CVE-2020-23162?

Priority 53/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2020-23162 is a high-severity flaw (CVSS 7.5) affecting termod4 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sensitive information disclosure and weak encryption in Pyrescom Termod4 time management devices before 10.04k allows remote attackers to read a session-file and obtain plain-text user credentials.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-327
Published	2021-01-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: pyres

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-01-26 18:15 UTCPublished CVE record published
2026-06-17 03:04 UTCUpdated Record last modified

pyres termod4 firmware UPGRADE

Affected: < 10.04k

Fixed in: 10.04k

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-23162?

termod4 firmware: upgrade to 10.04k. Exact commands for each OS are on this page.

Is CVE-2020-23162 being exploited?

CVE-2020-23162 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-23162 affect?

CVE-2020-23162 affects termod4 firmware. Severity is high (CVSS 7.5). Sensitive information disclosure and weak encryption in Pyrescom Termod4 time management devices before 10.04k allows remote attackers to read a session-file and obtain plain-text user credentials.

How urgent is CVE-2020-23162?

Priority 53/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-23161 MEDIUM 6.5 UPGRADE Local file inclusion in Pyrescom Termod4 time management devices before 10.04k allows authenticated remote att
CVE-2020-23160 HIGH 8.8 UPGRADE Remote code execution in Pyrescom Termod4 time management devices before 10.04k allows authenticated remote at

References

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