CVE-2022-4603

4.3 MEDIUM 0.9% exploit odds Fix listed

What it is

A vulnerability classified as problematic has been found in ppp. Affected is the function dumpppp of the file pppdump/pppdump.c of the component pppdump. The manipulation of the argument spkt.buf/rpkt.buf leads to improper validation of array index. The real existence of this vulnerability is still doubted at the moment. The name of the patch is a75fb7b198eed50d769c80c36629f38346882cbf. It is recommended to apply a patch to fix this issue. VDB-216198 is the identifier assigned to this vulnerability. NOTE: pppdump is not used in normal process of setting up a PPP connection, is not installed setuid-root, and is not invoked automatically in any scenario.

At a glance

Exploitability: Can be exploited from the same network segment with a low-privilege account, but needs a user to act. Limited direct impact.
Exploit odds: 0.9% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2022-12-18 11:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 05:21 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.9% in the next 30 days (EPSS).
Severity: 4.3 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2022-12-18 11:15 UTC
Last modified: 2026-06-17 05:21 UTC
Exploit probability: 0.9% · EPSS, next 30 days
Weakness: CWE-119 · Buffer errors
Record status: Modified

Affected

Samba Ppp < 2.5.0

Attack profile CVSS 3.1 · 4.3

Attack vector: Adjacent network
Complexity: High
Privileges needed: Low
User interaction: Required
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Raw vector

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

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2022-4603.md and follow it. Check whether this project is affected by CVE-2022-4603. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record