How severe is CVE-2022-38725?

CVE-2022-38725 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-38725 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-38725?

CVE-2022-38725 primarily affects Oneidentity Syslog-ng. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-38725?

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-2022-38725 published?

CVE-2022-38725 was published on 2023-01-23 and last updated on 2026-06-17.

CVE-2022-38725

CVE-2022-38725 is a high-severity vulnerability in Oneidentity Syslog-ng with a CVSS 3.x base score of 7.5. 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-190.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Oneidentity Syslog-ng
Published: 2023-01-23
Last modified: 2026-06-17

Description

An integer overflow in the RFC3164 parser in One Identity syslog-ng 3.0 through 3.37 allows remote attackers to cause a Denial of Service via crafted syslog input that is mishandled by the tcp or network function. syslog-ng Premium Edition 7.0.30 and syslog-ng Store Box 6.10.0 are also affected.

Frequently asked questions

What is CVE-2022-38725?: An integer overflow in the RFC3164 parser in One Identity syslog-ng 3.0 through 3.37 allows remote attackers to cause a Denial of Service via crafted syslog input that is mishandled by the tcp or network function. syslog-ng Premium Edition 7.0.30 and syslog-ng Store Box 6.10.0 are also affected.
How severe is CVE-2022-38725?: CVE-2022-38725 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-38725 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-38725?: CVE-2022-38725 primarily affects Oneidentity Syslog-ng. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-38725?: 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-2022-38725 published?: CVE-2022-38725 was published on 2023-01-23 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:-:*:*:*
cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:premium:*:*:*
cpe:2.3:a:oneidentity:syslog-ng_store_box:*:*:*:*:-:*:*:*
cpe:2.3:a:oneidentity:syslog-ng_store_box:*:*:*:*:lts:*:*:*

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