How severe is CVE-2022-22251?

CVE-2022-22251 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-2022-22251 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22251?

CVE-2022-22251 affects Juniper Junos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-22251?

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-2022-22251 published?

CVE-2022-22251 was published on 2022-10-18 and last updated on 2026-06-17.

CVE-2022-22251

CVE-2022-22251 is a high-severity vulnerability in Juniper Junos 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-522.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Juniper Junos
Published: 2022-10-18
Last modified: 2026-06-17

Description

On cSRX Series devices software permission issues in the container filesystem and stored files combined with storing passwords in a recoverable format in Juniper Networks Junos OS allows a local, low-privileged attacker to elevate their permissions to take control of any instance of a cSRX software deployment. This issue affects Juniper Networks Junos OS 20.2 version 20.2R1 and later versions prior to 21.2R1 on cSRX Series.

Frequently asked questions

What is CVE-2022-22251?: On cSRX Series devices software permission issues in the container filesystem and stored files combined with storing passwords in a recoverable format in Juniper Networks Junos OS allows a local, low-privileged attacker to elevate their permissions to take control of any instance of a cSRX software deployment. This issue affects Juniper Networks Junos OS 20.2 version 20.2R1 and later versions prior to 21.2R1 on cSRX Series.
How severe is CVE-2022-22251?: CVE-2022-22251 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-2022-22251 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22251?: CVE-2022-22251 affects Juniper Junos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-22251?: 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-2022-22251 published?: CVE-2022-22251 was published on 2022-10-18 and last updated on 2026-06-17.

References

https://kb.juniper.net/JSA69908

Affected products (1)

cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*

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