CVE-2022-29152: The Ericom PowerTerm WebConnect 6.0 login portal can unsafely write an XSS payload from the AppPortal cookie i

Routine

MEDIUM 6.1DOWNGRADE

CVE-2022-29152 is a medium-severity flaw (CVSS 6.1) affecting powerterm webconnect. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Ericom PowerTerm WebConnect 6.0 login portal can unsafely write an XSS payload from the AppPortal cookie into the page.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-04-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ericom

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

Am I affected?

Timeline

2022-04-28 13:15 UTCPublished CVE record published
2026-06-17 04:39 UTCUpdated Record last modified

ericom powerterm webconnect DOWNGRADE

Affected: 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy powerterm-webconnect || rpm -q powerterm-webconnect || powerterm-webconnect --version

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison powerterm-webconnect sudo apt install powerterm-webconnect=<VERSION_BEFORE_6.0> sudo apt-mark hold powerterm-webconnect

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

dnf --showduplicates list powerterm-webconnect sudo dnf downgrade powerterm-webconnect-<VERSION_BEFORE_6.0> sudo dnf versionlock add powerterm-webconnect

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-2022-29152?

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

Is CVE-2022-29152 being exploited?

CVE-2022-29152 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-2022-29152 affect?

CVE-2022-29152 affects powerterm webconnect. Severity is medium (CVSS 6.1). The Ericom PowerTerm WebConnect 6.0 login portal can unsafely write an XSS payload from the AppPortal cookie into the page.

How urgent is CVE-2022-29152?

Priority 33/100. No elevated risk signals yet.

References

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