How severe is CVE-2022-42303?

CVE-2022-42303 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-42303 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42303?

CVE-2022-42303 affects Veritas Netbackup. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42303?

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-2022-42303 published?

CVE-2022-42303 was published on 2022-10-03 and last updated on 2026-06-17.

CVE-2022-42303

CVE-2022-42303 is a high-severity vulnerability in Veritas Netbackup with a CVSS 3.x base score of 8.0. 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-89.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Veritas Netbackup
Published: 2022-10-03
Last modified: 2026-06-17

Description

An issue was discovered in Veritas NetBackup through 10.0 and related Veritas products. The NetBackup Primary server is vulnerable to a second-order SQL Injection attack affecting the NBFSMCLIENT service by leveraging CVE-2022-42302.

Frequently asked questions

What is CVE-2022-42303?: An issue was discovered in Veritas NetBackup through 10.0 and related Veritas products. The NetBackup Primary server is vulnerable to a second-order SQL Injection attack affecting the NBFSMCLIENT service by leveraging CVE-2022-42302.
How severe is CVE-2022-42303?: CVE-2022-42303 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-42303 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42303?: CVE-2022-42303 affects Veritas Netbackup. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42303?: 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-2022-42303 published?: CVE-2022-42303 was published on 2022-10-03 and last updated on 2026-06-17.

References

https://www.veritas.com/content/support/en_US/security/VTS22-011#H1

Affected products (1)

cpe:2.3:a:veritas:netbackup:*:*:*:*:*:*:*:*

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