Quick answers
- Is CVE-2026-13270 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-13270 being exploited in the wild.
- How severe is CVE-2026-13270?
- High severity, with a CVSS score of 7.5, published 12 November 2026.
- Which products and versions are affected?
- Quest NetVault Backup.
- Is there a fix for CVE-2026-13270?
- Yes: fixed in NetVault Backup 14.1.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-13270 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-13270?
- Check whether you run Quest NetVault Backup. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: NetVault Backup 14.1.3
Technical details
An integer underflow vulnerability exists in the nvpmgr UDP service (port 20031) due to insufficient validation of user-supplied input, leading to improper buffer allocation. An unauthenticated remote attacker can send a crafted UDP packet to trigger the underflow and cause a denial-of-service condition. The vulnerability has been fixed in version 14.1.3.
Affected products
- Quest NetVault Backup
Timeline
- 2026-04-23: disclosed: Vulnerability reported to vendor
- 2026-11-06: advisory: Coordinated public release of advisory