How severe is CVE-2022-40151?

CVE-2022-40151 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-40151 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40151?

CVE-2022-40151 affects Xstream. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40151?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-40151 published?

CVE-2022-40151 was published on 2022-09-16 and last updated on 2026-06-17.

CVE-2022-40151

CVE-2022-40151 is a medium-severity vulnerability in Xstream 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Xstream
Published: 2022-09-16
Last modified: 2026-06-17

Description

Those using Xstream to seralize XML data may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow. This effect may support a denial of service attack.

Frequently asked questions

What is CVE-2022-40151?: Those using Xstream to seralize XML data may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow. This effect may support a denial of service attack.
How severe is CVE-2022-40151?: CVE-2022-40151 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-40151 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40151?: CVE-2022-40151 affects Xstream. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40151?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-40151 published?: CVE-2022-40151 was published on 2022-09-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xstream:xstream:*:*:*:*:*:*:*:*

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