Vulnerability Details : CVE-2021-42870
ACCEL-PPP 1.12.0 has an out-of-bounds read in post_msg when processing a call_clear_request.
Exploit prediction scoring system (EPSS) score for CVE-2021-42870
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 30 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-42870
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-42870
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-42870
-
https://github.com/xebd/accel-ppp/issues/158
Abnormal packet sequence can cause stack-buffer-underflow · Issue #158 · xebd/accel-ppp · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
Products affected by CVE-2021-42870
- cpe:2.3:a:accel-ppp:accel-ppp:1.12.0:*:*:*:*:*:*:*