How severe is CVE-2018-7533?

CVE-2018-7533 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-7533 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7533?

CVE-2018-7533 primarily affects Osisoft Pi Data Archive. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-7533?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-7533 published?

CVE-2018-7533 was published on 2018-03-14 and last updated on 2026-06-17.

CVE-2018-7533

CVE-2018-7533 is a high-severity vulnerability in Osisoft Pi Data Archive with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Osisoft Pi Data Archive
Published: 2018-03-14
Last modified: 2026-06-17

Description

An Incorrect Default Permissions issue was discovered in OSIsoft PI Data Archive versions 2017 and prior. Insecure default configuration may allow escalation of privileges that gives the actor full control over the system.

Frequently asked questions

What is CVE-2018-7533?: An Incorrect Default Permissions issue was discovered in OSIsoft PI Data Archive versions 2017 and prior. Insecure default configuration may allow escalation of privileges that gives the actor full control over the system.
How severe is CVE-2018-7533?: CVE-2018-7533 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-7533 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7533?: CVE-2018-7533 primarily affects Osisoft Pi Data Archive. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-7533?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-7533 published?: CVE-2018-7533 was published on 2018-03-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:osisoft:pi_data_archive:*:*:*:*:*:*:*:*
cpe:2.3:a:osisoft:pi_data_archive:2017:r2:*:*:*:*:*:*

More vulnerabilities in Osisoft Pi Data Archive

CVE-2020-10610 — High (CVSS 7.8): In OSIsoft PI System multiple products and versions, a local attacker can modify a search path and plant a binary to…
CVE-2020-10608 — High (CVSS 7.8): In OSIsoft PI System multiple products and versions, a local attacker can plant a binary and bypass a code integrity…
CVE-2020-10606 — High (CVSS 7.8): In OSIsoft PI System multiple products and versions, a local attacker can exploit incorrect permissions set by affected…
CVE-2020-10604 — High (CVSS 7.5): In OSIsoft PI System multiple products and versions, a remote, unauthenticated attacker could crash PI Network Manager…
CVE-2018-7529 — High (CVSS 7.5): A Deserialization of Untrusted Data issue was discovered in OSIsoft PI Data Archive versions 2017 and prior.…
CVE-2017-7930 — High (CVSS 7.4): An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI…

All CVEs affecting Osisoft Pi Data Archive →

Other CWE-276 (Incorrect Default Permissions) vulnerabilities

CVE-2022-42150 — Critical (CVSS 10.0): TinyLab linux-lab v1.1-rc1 and cloud-labv0.8-rc2, v1.1-rc1 are vulnerable to insecure permissions. The default…
CVE-2020-29492 — Critical (CVSS 10.0): Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote…
CVE-2020-29491 — Critical (CVSS 10.0): Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote…
CVE-2025-40585 — Critical (CVSS 9.9): A vulnerability has been identified in Energy Services (All versions with G5DFR). Affected solutions using G5DFR…
CVE-2019-19896 — Critical (CVSS 9.9): In IXP EasyInstall 6.2.13723, there is Remote Code Execution via weak permissions on the Engine Service share. The…
CVE-2020-37129 — Critical (CVSS 9.8): Memu Play 7.1.3 contains an insecure folder permissions vulnerability that allows low-privileged users to modify the…

Browse all CWE-276 (Incorrect Default Permissions) vulnerabilities →