CVE-2022-0982

Name: CVE-2022-0982
Creator: NVD / NIST
Published: 2022-03-16T15:15:16.253+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.19%

Last modified Jun 17, 2026

CVE-2022-0982 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The telnet_input_char function in opt/src/accel-pppd/cli/telnet.c suffers from a memory corruption vulnerability, whereby user input cmdline_len is copied into a fixed buffer b->buf without any bound checks. If the server connects with a malicious client, crafted client requests can remotely trigger this vulnerability.. EPSS estimates a 1.19% chance of exploitation in the next 30 days.

Description

The telnet_input_char function in opt/src/accel-pppd/cli/telnet.c suffers from a memory corruption vulnerability, whereby user input cmdline_len is copied into a fixed buffer b->buf without any bound checks. If the server connects with a malicious client, crafted client requests can remotely trigger this vulnerability.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.19%

63.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Accel-Ppp	Accel-Ppp	<= 1.12.0

References

https://github.com/xebd/accel-ppp/issues/164Third Party Advisory
https://github.com/xebd/accel-ppp/issues/164Third Party Advisory

Timeline

Published: Mar 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-0982?

How severe is CVE-2022-0982?

CVE-2022-0982 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.

How do I fix CVE-2022-0982?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-0982?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST