CVE-2020-13177: The support bundler in Teradici PCoIP Standard Agent for Windows and Graphics Agent for Windows versions prior

Q: How do I fix CVE-2020-13177?

graphics agent: upgrade to 20.04.1; pcoip standard agent: upgrade to 20.04.1. Exact commands for each OS are on this page.

Q: Is CVE-2020-13177 being exploited?

CVE-2020-13177 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-2020-13177 affect?

CVE-2020-13177 affects graphics agent, pcoip standard agent. Severity is high (CVSS 7.8). The support bundler in Teradici PCoIP Standard Agent for Windows and Graphics Agent for Windows versions prior to 20.04.1 and 20.07.0 does not use hard coded paths for certain Windows binaries, which allows an attacker to gain elevated priv

Routine

HIGH 7.8UPGRADEUPGRADE

CVE-2020-13177 is a high-severity flaw (CVSS 7.8) affecting graphics agent, pcoip standard agent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The support bundler in Teradici PCoIP Standard Agent for Windows and Graphics Agent for Windows versions prior to 20.04.1 and 20.07.0 does not use hard coded paths for certain Windows binaries, which allows an attacker to gain elevated privileges via execution of a malicious binary placed in the system path.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-427
Published	2020-08-11
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

2020-08-11 18:15 UTCPublished CVE record published
2026-06-17 02:52 UTCUpdated Record last modified

teradici graphics agent UPGRADE

Affected: < 20.04.1

Fixed in: 20.04.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 20.04.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade 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: < 20.04.1

Fixed in: 20.04.1

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 20.04.1 (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-2020-13177?

graphics agent: upgrade to 20.04.1; pcoip standard agent: upgrade to 20.04.1. Exact commands for each OS are on this page.

Is CVE-2020-13177 being exploited?

CVE-2020-13177 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-2020-13177 affect?

CVE-2020-13177 affects graphics agent, pcoip standard agent. Severity is high (CVSS 7.8). The support bundler in Teradici PCoIP Standard Agent for Windows and Graphics Agent for Windows versions prior to 20.04.1 and 20.07.0 does not use hard coded paths for certain Windows binaries, which allows an attacker to gain elevated priv

How urgent is CVE-2020-13177?

Priority 35/100. High severity

Software pages

Windows vulnerabilities

Related CVEs

CVE-2020-13179 MEDIUM 5.5 UPGRADE UPGRADE Broker Protocol messages in Teradici PCoIP Standard Agent for Windows and Graphics Agent for Windows prior to
CVE-2020-13178 MEDIUM 6.7 UPGRADE UPGRADE A function in the Teradici PCoIP Standard Agent for Windows and Graphics Agent for Windows prior to version 20

References

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