VulnerabilityModified
CVE-2021-42870
ACCEL-PPP 1.12.0 has an out-of-bounds read in post_msg when processing a call_clear_request.
HIGH 7.5EPSS 1.05%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
ACCEL-PPP 1.12.0 has an out-of-bounds read in post_msg when processing a call_clear_request.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.05% probability · 64th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- accel-ppp/accel-ppp
- Source
- cve@mitre.org
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/xebd/accel-ppp/issues/158Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/xebd/accel-ppp/issues/158Exploit, Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.