How severe is CVE-2022-45891?

CVE-2022-45891 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2022-45891 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45891?

CVE-2022-45891 affects Planetestream Planet Estream. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45891?

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

When was CVE-2022-45891 published?

CVE-2022-45891 was published on 2022-12-25 and last updated on 2026-06-17.

CVE-2022-45891

CVE-2022-45891 is a critical-severity vulnerability in Planetestream Planet Estream with a CVSS 3.x base score of 9.1. 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-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Planetestream Planet Estream
Published: 2022-12-25
Last modified: 2026-06-17

Description

Planet eStream before 6.72.10.07 allows attackers to call restricted functions, and perform unauthenticated uploads (Upload2.ashx) or access content uploaded by other users (View.aspx after Ajax.asmx/SaveGrantAccessList).

Frequently asked questions

What is CVE-2022-45891?: Planet eStream before 6.72.10.07 allows attackers to call restricted functions, and perform unauthenticated uploads (Upload2.ashx) or access content uploaded by other users (View.aspx after Ajax.asmx/SaveGrantAccessList).
How severe is CVE-2022-45891?: CVE-2022-45891 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2022-45891 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45891?: CVE-2022-45891 affects Planetestream Planet Estream. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45891?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-45891 published?: CVE-2022-45891 was published on 2022-12-25 and last updated on 2026-06-17.

References

https://sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-planet-enterprises-ltd-planet-estream/

Affected products (1)

cpe:2.3:a:planetestream:planet_estream:*:*:*:*:*:*:*:*

More vulnerabilities in Planetestream Planet Estream

CVE-2022-45896 — Critical (CVSS 9.8): Planet eStream before 6.72.10.07 allows unauthenticated upload of arbitrary files: Choose a Video / Related Media or…
CVE-2022-45893 — High (CVSS 8.8): Planet eStream before 6.72.10.07 allows a low-privileged user to gain access to administrative and high-privileged user…
CVE-2022-45889 — High (CVSS 7.2): Planet eStream before 6.72.10.07 allows a remote attacker (who is a publisher or admin) to obtain access to all records…
CVE-2022-45895 — Medium (CVSS 6.5): Planet eStream before 6.72.10.07 discloses sensitive information, related to the ON cookie (findable in HTML source…
CVE-2022-45894 — Medium (CVSS 6.5): GetFile.aspx in Planet eStream before 6.72.10.07 allows ..\ directory traversal to read arbitrary local files.
CVE-2022-45890 — Medium (CVSS 6.1): In Planet eStream before 6.72.10.07, a Reflected Cross-Site Scripting (XSS) vulnerability exists via any metadata…

All CVEs affecting Planetestream Planet Estream →

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