CVE-2019-12577: A vulnerability in the London Trust Media Private Internet Access (PIA) VPN Client v82 for macOS could allow a

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HIGH 7.8DOWNGRADE

CVE-2019-12577 is a high-severity flaw (CVSS 7.8) affecting private internet access vpn client. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability in the London Trust Media Private Internet Access (PIA) VPN Client v82 for macOS could allow an authenticated, local attacker to run arbitrary code with elevated privileges. The macOS binary openvpn_launcher.64 is setuid root. This binary creates /tmp/pia_upscript.sh when executed. Because the file creation mask (umask) is not reset, the umask value is inherited from the calling process. This value can be manipulated to cause the

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-732
Published	2019-07-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: londontrustmedia

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

Am I affected?

Timeline

2019-07-11 20:15 UTCPublished CVE record published
2026-06-17 02:14 UTCUpdated Record last modified

londontrustmedia private internet access vpn client DOWNGRADE

Affected: 82

Fixed in: no fixed release known

Safe to downgrade to: a release before 82

1. Check installed version

apt-cache policy private-internet-access-vpn-client || rpm -q private-internet-access-vpn-client || private-internet-access-vpn-client --version

2. No fixed release: DOWNGRADE to a release before 82 (Debian / Ubuntu)

apt-cache madison private-internet-access-vpn-client sudo apt install private-internet-access-vpn-client=<VERSION_BEFORE_82> sudo apt-mark hold private-internet-access-vpn-client

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

dnf --showduplicates list private-internet-access-vpn-client sudo dnf downgrade private-internet-access-vpn-client-<VERSION_BEFORE_82> sudo dnf versionlock add private-internet-access-vpn-client

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-2019-12577?

private internet access vpn client: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-12577 being exploited?

CVE-2019-12577 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-2019-12577 affect?

CVE-2019-12577 affects private internet access vpn client. Severity is high (CVSS 7.8). A vulnerability in the London Trust Media Private Internet Access (PIA) VPN Client v82 for macOS could allow an authenticated, local attacker to run arbitrary code with elevated privileges. The macOS binary openvpn_launcher.64 is setuid roo

How urgent is CVE-2019-12577?

Priority 45/100. High severity; Public exploit reference

Software pages

macOS vulnerabilities · OpenVPN vulnerabilities

Related CVEs

CVE-2020-15590 HIGH 7.5 UPGRADE A vulnerability in the Private Internet Access (PIA) VPN Client for Linux 1.5 through 2.3+ allows remote attac
CVE-2019-12579 HIGH 7.8 DOWNGRADE A vulnerability in the London Trust Media Private Internet Access (PIA) VPN Client v82 for Linux and macOS cou
CVE-2019-12578 HIGH 7.8 DOWNGRADE A vulnerability in the London Trust Media Private Internet Access (PIA) VPN Client v82 for Linux could allow a
CVE-2019-12576 HIGH 7.8 DOWNGRADE A vulnerability in the London Trust Media Private Internet Access (PIA) VPN Client v82 for macOS could allow a
CVE-2019-12575 HIGH 7.8 DOWNGRADE A vulnerability in the London Trust Media Private Internet Access (PIA) VPN Client v82 for Linux could allow a

References

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