How severe is CVE-2022-42308?

CVE-2022-42308 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2022-42308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42308?

CVE-2022-42308 affects Veritas Netbackup. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42308?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-42308 published?

CVE-2022-42308 was published on 2022-10-03 and last updated on 2026-06-17.

CVE-2022-42308

CVE-2022-42308 is a critical-severity vulnerability in Veritas Netbackup with a CVSS 3.x base score of 9.0. 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Veritas Netbackup
Published: 2022-10-03
Last modified: 2026-06-17

Description

An issue was discovered in Veritas NetBackup through 8.2 and related Veritas products. An attacker with local access can delete arbitrary files by leveraging a path traversal in the pbx_exchange registration code.

Frequently asked questions

What is CVE-2022-42308?: An issue was discovered in Veritas NetBackup through 8.2 and related Veritas products. An attacker with local access can delete arbitrary files by leveraging a path traversal in the pbx_exchange registration code.
How severe is CVE-2022-42308?: CVE-2022-42308 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2022-42308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42308?: CVE-2022-42308 affects Veritas Netbackup. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42308?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-42308 published?: CVE-2022-42308 was published on 2022-10-03 and last updated on 2026-06-17.

References

https://www.veritas.com/content/support/en_US/security/VTS22-010#C1

Affected products (1)

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

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