CVE-2020-23036: MEDIA NAVI Inc SMACom v1.2 was discovered to contain an insecure session validation vulnerability in the sessi

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MEDIUM 5.9REMOTEDOWNGRADE

CVE-2020-23036 is a medium-severity flaw (CVSS 5.9) affecting smacom. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MEDIA NAVI Inc SMACom v1.2 was discovered to contain an insecure session validation vulnerability in the session handling of the `password` authentication parameter of the wifi photo transfer module. This vulnerability allows attackers with network access privileges or on public wifi networks to read the authentication credentials and follow-up requests containing the user password via a man in the middle attack.

Why this priority

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

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-522
Published	2021-10-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: medianavi

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

Am I affected?

Timeline

2021-10-22 20:15 UTCPublished CVE record published
2026-06-17 03:04 UTCUpdated Record last modified

medianavi smacom DOWNGRADE

Affected: 1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2

1. Check installed version

apt-cache policy smacom || rpm -q smacom || smacom --version

2. No fixed release: DOWNGRADE to a release before 1.2 (Debian / Ubuntu)

apt-cache madison smacom sudo apt install smacom=<VERSION_BEFORE_1.2> sudo apt-mark hold smacom

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list smacom sudo dnf downgrade smacom-<VERSION_BEFORE_1.2> sudo dnf versionlock add smacom

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2020-23036?

smacom: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-23036 being exploited?

CVE-2020-23036 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-2020-23036 affect?

CVE-2020-23036 affects smacom. Severity is medium (CVSS 5.9). MEDIA NAVI Inc SMACom v1.2 was discovered to contain an insecure session validation vulnerability in the session handling of the `password` authentication parameter of the wifi photo transfer module. This vulnerability allows attackers with

How urgent is CVE-2020-23036?

Priority 47/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Wi-Fi vulnerabilities

References

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