CVE-2021-25688: Under certain conditions, Teradici PCoIP Agents for Windows prior to version 20.10.0 and Teradici PCoIP Agents

Q: How do I fix CVE-2021-25688?

pcoip graphics agent: upgrade to 20.10.0; pcoip graphics agent: upgrade to 21.01.0; pcoip standard agent: upgrade to 20.10.0. Exact commands for each OS are on this page.

Q: Is CVE-2021-25688 being exploited?

CVE-2021-25688 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-2021-25688 affect?

CVE-2021-25688 affects pcoip graphics agent, pcoip graphics agent, pcoip standard agent. Severity is medium (CVSS 5.5). Under certain conditions, Teradici PCoIP Agents for Windows prior to version 20.10.0 and Teradici PCoIP Agents for Linux prior to version 21.01.0 may log parts of a user's password in the application logs.

Q: How urgent is CVE-2021-25688?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADEUPGRADEUPGRADE

CVE-2021-25688 is a medium-severity flaw (CVSS 5.5) affecting pcoip graphics agent, pcoip graphics agent, pcoip standard agent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Under certain conditions, Teradici PCoIP Agents for Windows prior to version 20.10.0 and Teradici PCoIP Agents for Linux prior to version 21.01.0 may log parts of a user's password in the application logs.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-532
Published	2021-02-11
Last modified	2026-06-17

Publisher (CNA): Teradici Corporation · Vendor: teradici

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

Am I affected?

Timeline

2021-02-11 18:15 UTCPublished CVE record published
2026-06-17 03:42 UTCUpdated Record last modified

teradici pcoip graphics agent UPGRADE

Affected: < 20.10.0

Fixed in: 20.10.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pcoip-graphics-agent || rpm -q pcoip-graphics-agent || pcoip-graphics-agent --version

2. UPGRADE to 20.10.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pcoip-graphics-agent

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pcoip-graphics-agent

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

teradici pcoip graphics agent UPGRADE

Affected: < 21.01.0

Fixed in: 21.01.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pcoip-graphics-agent || rpm -q pcoip-graphics-agent || pcoip-graphics-agent --version

2. UPGRADE to 21.01.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pcoip-graphics-agent

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pcoip-graphics-agent

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

teradici pcoip standard agent UPGRADE

Affected: < 20.10.0

Fixed in: 20.10.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pcoip-standard-agent || rpm -q pcoip-standard-agent || pcoip-standard-agent --version

2. UPGRADE to 20.10.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pcoip-standard-agent

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pcoip-standard-agent

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

teradici pcoip standard agent UPGRADE

Affected: < 21.01.0

Fixed in: 21.01.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pcoip-standard-agent || rpm -q pcoip-standard-agent || pcoip-standard-agent --version

2. UPGRADE to 21.01.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pcoip-standard-agent

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pcoip-standard-agent

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2021-25688?

pcoip graphics agent: upgrade to 20.10.0; pcoip graphics agent: upgrade to 21.01.0; pcoip standard agent: upgrade to 20.10.0. Exact commands for each OS are on this page.

Is CVE-2021-25688 being exploited?

CVE-2021-25688 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-2021-25688 affect?

CVE-2021-25688 affects pcoip graphics agent, pcoip graphics agent, pcoip standard agent. Severity is medium (CVSS 5.5). Under certain conditions, Teradici PCoIP Agents for Windows prior to version 20.10.0 and Teradici PCoIP Agents for Linux prior to version 21.01.0 may log parts of a user's password in the application logs.

How urgent is CVE-2021-25688?

Priority 23/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities

Related CVEs

CVE-2021-25694 HIGH 7.8 UPGRADE Teradici PCoIP Graphics Agent for Windows prior to 21.03 does not validate NVENC.dll
CVE-2020-13173 HIGH 7.8 UPGRADE UPGRADE Initialization of the pcoip_credential_provider in Teradici PCoIP Standard Agent for Windows and PCoIP Graphic

References

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