CVE-2020-10602: In OSIsoft PI System multiple products and versions, an authenticated remote attacker could crash PI Network M

Routine

MEDIUM 5.3DOWNGRADE

CVE-2020-10602 is a medium-severity flaw (CVSS 5.3) affecting data archive. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In OSIsoft PI System multiple products and versions, an authenticated remote attacker could crash PI Network Manager due to a race condition. This can result in blocking connections and queries to PI Data Archive.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-476
Published	2020-07-24
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: pi

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

Am I affected?

Timeline

2020-07-24 23:15 UTCPublished CVE record published
2026-06-17 02:48 UTCUpdated Record last modified

pi data archive DOWNGRADE

Affected: 2018 · 2018 sp2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2018

1. Check installed version

apt-cache policy data-archive || rpm -q data-archive || data-archive --version

2. No fixed release: DOWNGRADE to a release before 2018 (Debian / Ubuntu)

apt-cache madison data-archive sudo apt install data-archive=<VERSION_BEFORE_2018> sudo apt-mark hold data-archive

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

dnf --showduplicates list data-archive sudo dnf downgrade data-archive-<VERSION_BEFORE_2018> sudo dnf versionlock add data-archive

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-2020-10602?

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

Is CVE-2020-10602 being exploited?

CVE-2020-10602 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-2020-10602 affect?

CVE-2020-10602 affects data archive. Severity is medium (CVSS 5.3). In OSIsoft PI System multiple products and versions, an authenticated remote attacker could crash PI Network Manager due to a race condition. This can result in blocking connections and queries to PI Data Archive.

How urgent is CVE-2020-10602?

Priority 33/100. No elevated risk signals yet.

References

← Back to latest CVEs