Security readout for executives and security teams
Plain-English summary
This flaw affects listed Veritas NetBackup versions. An attacker who already has authenticated access to a NetBackup Client could write attacker-controlled content to a partially controlled path on the NetBackup Primary server, risking backup platform integrity and availability.
Executive priority
Treat as high priority where NetBackup supports recovery operations. The risk is not broad unauthenticated compromise, but an authenticated write path into the backup Primary server can undermine trust in recovery infrastructure.
Technical view
CVE-2022-36991 is a network-reachable, low-privilege authenticated arbitrary write issue from NetBackup Client to Primary server. CVSS 3.1 is 8.1 with high integrity and availability impact, no confidentiality impact, and no user interaction required.
Likely exposure
Organizations running 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, 9.1.x through 9.1.0.1, or related NetBackup products may be exposed.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not marked KEV. Exploitation requires authenticated access to a NetBackup Client, so exposure depends on client account controls and network reachability to NetBackup infrastructure.
Researcher notes
No CWE is provided in the bundle. The affected product metadata is sparse, but the CVE description identifies specific NetBackup version ranges and related products. Avoid assuming exploit maturity or fixed versions beyond Veritas guidance.
Mitigation direction
- Review Veritas advisory VTS22-004 for vendor remediation guidance.
- Prioritize remediation for internet-adjacent or broadly reachable NetBackup environments.
- Restrict authenticated NetBackup Client access to trusted users and systems.
- Monitor NetBackup Primary servers for unexpected file writes or integrity alerts.
Validation and detection
- Inventory NetBackup Primary and Client versions against the affected ranges.
- Confirm whether related NetBackup products are present in the environment.
- Review client authentication paths and who can access NetBackup Clients.
- Check remediation records against Veritas VTS22-004 guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2022-36991 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AC:L/AV:N/A:H/C:N/I:H/PR:L/S:U/UI:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AC:L/AV:N/A:H/C:N/I:H/PR:L/S:U/UI:N2.85.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AC:L/AV:N/A:H/C:N/I:H/PR:L/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.veritas.com/content/support/en_US/security/VTS22-004#h5CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.