How severe is CVE-2022-0982?

CVE-2022-0982 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-0982 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-0982?

CVE-2022-0982 affects Accel-ppp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-0982?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-0982 published?

CVE-2022-0982 was published on 2022-03-16 and last updated on 2026-06-17.

CVE-2022-0982

CVE-2022-0982 is a critical-severity vulnerability in Accel-ppp with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Accel-ppp
Published: 2022-03-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-0982?: 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.
How severe is CVE-2022-0982?: CVE-2022-0982 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-0982 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-0982?: CVE-2022-0982 affects Accel-ppp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-0982?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-0982 published?: CVE-2022-0982 was published on 2022-03-16 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:accel-ppp:accel-ppp:*:*:*:*:*:*:*:*

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