---
title: "CVE-2022-44792: NULL Pointer Dereference | CubePath"
description: "handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote…"
language: en
source: https://cubepath.com/security/cve/CVE-2022-44792
---

# CVE-2022-44792: NULL Pointer Dereference | CubePath

## Description

handle\_ipDefaultTTL in agent/mibgroup/ip-mib/ip\_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker (who has write access) to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.

Official description from the CVE record, published by mitre. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2022-44792)

## Key data

### CVSS 3.1 Medium 6.5

Score published by CISA-ADP in the CVE record.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

| Metric                 | Value     | What it means                                                                       |
| ---------------------- | --------- | ----------------------------------------------------------------------------------- |
| Attack vector          | Network   | The vulnerable component can be reached over a network, possibly from the Internet. |
| Attack complexity      | Low       | No special conditions are needed. The attack can be repeated at will.               |
| Privileges required    | None      | No account or privileges are needed.                                                |
| User interaction       | Required  | A user has to do something first, such as opening a file or following a link.       |
| Scope                  | Unchanged | The impact stays within the vulnerable component.                                   |
| Confidentiality impact | None      | No effect on the secrecy of data.                                                   |
| Integrity impact       | None      | No effect on the trustworthiness of data.                                           |
| Availability impact    | High      | Serious or total effect on availability.                                            |

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) .

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.52054 (52.1% probability)

Percentile

99.0%

Scores of

Nov 10, 2026

Model

v2026.06.15

### CISA assessment as of Apr 23, 2025

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Exploitation

Public proof of concept recorded by CISA

Automatable

no

Technical impact

partial

### Weakness (CWE)

CWE catalog version 5.0.

CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license.

- [CWE-476](https://cwe.mitre.org/data/definitions/476.html) NULL Pointer Dereference

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [github.com/net-snmp/net-snmp/issues/474](https://github.com/net-snmp/net-snmp/issues/474)
- [gist.github.com/menglong2234/b7bc13ae1a144f47cc3c95a7ea0624…](https://gist.github.com/menglong2234/b7bc13ae1a144f47cc3c95a7ea062428)
- [\[debian-lts-announce\] 20230115 \[SECURITY\] \[DLA 3270-1\] net-snmp security update](https://lists.debian.org/debian-lts-announce/2023/01/msg00010.html)  (lists.debian.org) mailing-list
- [security.netapp.com/advisory/ntap-20230223-0011](https://security.netapp.com/advisory/ntap-20230223-0011/)

## Timeline

1. ID reserved Nov 7, 2022
2. Record published Nov 7, 2022
3. Record last updated May 5, 2025

## Look up another CVE

## About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

[Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection)

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:02 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)