CVE-2021-31381

CVE-2021-31381 is a medium-severity vulnerability in Juniper Session And Resource Control with a CVSS 3.x base score of 6.5. 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-16.

Key facts

Description

A configuration weakness in the JBoss Application Server (AppSvr) component of Juniper Networks SRC Series allows a remote attacker to send a specially crafted query to cause the web server to delete files which may allow the attacker to disrupt the integrity and availability of the system.

Frequently asked questions

What is CVE-2021-31381?
A configuration weakness in the JBoss Application Server (AppSvr) component of Juniper Networks SRC Series allows a remote attacker to send a specially crafted query to cause the web server to delete files which may allow the attacker to disrupt the integrity and availability of the system.
How severe is CVE-2021-31381?
CVE-2021-31381 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2021-31381 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31381?
CVE-2021-31381 affects Juniper Session And Resource Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31381?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-31381 published?
CVE-2021-31381 was published on 2021-10-19 and last updated on 2026-06-17.

References

Affected products (1)

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