Security readout for executives and security teams
Plain-English summary
This flaw can let a remote actor crash an affected Net-SNMP service, causing monitoring or management disruption. The source description ties abuse to SNMP write access and a crafted UDP packet. It is a denial-of-service issue, not a data theft or code execution issue based on the supplied evidence.
Executive priority
Prioritize remediation where SNMP is reachable beyond tightly controlled management networks or supports critical monitoring. Business impact is service interruption and loss of visibility, not confirmed compromise. Treat as a near-term operational hardening item rather than an emergency absent exploitation evidence.
Technical view
CVE-2022-44792 is a NULL pointer exception in handle_ipDefaultTTL in Net-SNMP 5.8 through 5.9.3. A remote attacker described as having write access can trigger a crash via crafted UDP traffic, affecting availability. The weakness is classified as CWE-476.
Likely exposure
Exposure is most likely on servers, appliances, or network-management stacks running Net-SNMP 5.8 through 5.9.3 with SNMP write access reachable by untrusted or broad internal networks. NetApp and Debian references indicate downstream product and distribution relevance.
Exploitation context
The bundle does not show CISA KEV listing or confirmed active exploitation. Public references include an upstream issue and a gist, but the provided evidence should be treated as disclosure and advisory material rather than proof of exploitation in the wild.
Researcher notes
There is a prerequisite ambiguity: the description says the attacker has write access, while the CVSS vector in the bundle lists PR:N and UI:R. Do not assume broader exploitability without vendor clarification. Focus validation on affected versions and SNMP write exposure.
Mitigation direction
- Apply vendor or distribution security updates for affected Net-SNMP packages.
- Review Debian LTS guidance if using Debian-packaged Net-SNMP.
- Review NetApp advisory guidance for affected NetApp environments.
- Restrict SNMP write access to trusted management hosts only.
- Disable SNMP write capability where operationally unnecessary.
- Monitor affected services for unexpected crashes until remediated.
Validation and detection
- Inventory systems and appliances running Net-SNMP 5.8 through 5.9.3.
- Check package and appliance advisory status against vendor guidance.
- Verify whether SNMP write access is enabled on exposed services.
- Confirm UDP SNMP access is limited to trusted management networks.
- Review logs for Net-SNMP crashes or restarts around SNMP activity.
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.
CWE-476: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-44792 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
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/net-snmp/net-snmp/issues/474CVE reference
- https://gist.github.com/menglong2234/b7bc13ae1a144f47cc3c95a7ea062428CVE reference
- [debian-lts-announce] 20230115 [SECURITY] [DLA 3270-1] net-snmp security updateCVE reference · mailing-list
- https://security.netapp.com/advisory/ntap-20230223-0011/CVE reference
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.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.