How severe is CVE-2022-36998?

CVE-2022-36998 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-36998 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36998?

CVE-2022-36998 primarily affects Veritas Flex Appliance. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-36998?

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

When was CVE-2022-36998 published?

CVE-2022-36998 was published on 2022-07-28 and last updated on 2026-06-17.

CVE-2022-36998

CVE-2022-36998 is a medium-severity vulnerability in Veritas Flex Appliance with a CVSS 3.x base score of 6.3. 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 6.3)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Veritas Flex Appliance
Published: 2022-07-28
Last modified: 2026-06-17

Description

An issue was discovered in Veritas NetBackup 8.1.x through 8.1.2, 8.2, 8.3.x through 8.3.0.2, 9.x through 9.0.0.1, and 9.1.x through 9.1.0.1 (and related NetBackup products). An attacker with authenticated access to a NetBackup Client could remotely trigger a stack-based buffer overflow on the NetBackup Primary server, resulting in a denial of service.

Frequently asked questions

What is CVE-2022-36998?: An issue was discovered in Veritas NetBackup 8.1.x through 8.1.2, 8.2, 8.3.x through 8.3.0.2, 9.x through 9.0.0.1, and 9.1.x through 9.1.0.1 (and related NetBackup products). An attacker with authenticated access to a NetBackup Client could remotely trigger a stack-based buffer overflow on the NetBackup Primary server, resulting in a denial of service.
How severe is CVE-2022-36998?: CVE-2022-36998 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-36998 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36998?: CVE-2022-36998 primarily affects Veritas Flex Appliance. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-36998?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-36998 published?: CVE-2022-36998 was published on 2022-07-28 and last updated on 2026-06-17.

References

https://www.veritas.com/content/support/en_US/security/VTS22-004#m3

Affected products (35)

cpe:2.3:a:veritas:flex_appliance:1.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:flex_appliance:1.3:*:*:*:*:*:*:*
cpe:2.3:a:veritas:flex_appliance:2.0:*:*:*:*:*:*:*
cpe:2.3:a:veritas:flex_appliance:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:flex_appliance:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:flex_appliance:2.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:flex_scale:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:flex_scale:2.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup:8.1.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup:8.1.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup:8.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup:8.3:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup:8.3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup:8.3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup:9.0:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup:9.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup:9.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup:9.1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:3.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:4.0:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:4.1:*:*:*:*:*:*:*
cpe:2.3:h:veritas:netbackup_appliance:3.2:maintenance_release1:*:*:*:*:*:*
cpe:2.3:h:veritas:netbackup_appliance:3.2:maintenance_release2:*:*:*:*:*:*
cpe:2.3:h:veritas:netbackup_appliance:3.2:maintenance_release3:*:*:*:*:*:*
cpe:2.3:h:veritas:netbackup_appliance:3.3.0.1:maintenance_release1:*:*:*:*:*:*
cpe:2.3:h:veritas:netbackup_appliance:3.3.0.1:maintenance_release2:*:*:*:*:*:*
cpe:2.3:h:veritas:netbackup_appliance:3.3.0.2:maintenance_release1:*:*:*:*:*:*
cpe:2.3:h:veritas:netbackup_appliance:3.3.0.2:maintenance_release2:*:*:*:*:*:*
cpe:2.3:h:veritas:netbackup_appliance:4.0.0.1:maintenance_release1:*:*:*:*:*:*
cpe:2.3:h:veritas:netbackup_appliance:4.0.0.1:maintenance_release2:*:*:*:*:*:*
cpe:2.3:h:veritas:netbackup_appliance:4.0.0.1:maintenance_release3:*:*:*:*:*:*
cpe:2.3:h:veritas:netbackup_appliance:4.1.0.1:maintenance_release1:*:*:*:*:*:*
cpe:2.3:h:veritas:netbackup_appliance:4.1.0.1:maintenance_release2:*:*:*:*:*:*

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