9.8
CVE-2020-28194
- EPSS 2.7%
- Veröffentlicht 01.02.2021 14:15:12
- Zuletzt bearbeitet 21.11.2024 05:22:27
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
Variable underflow exists in accel-ppp radius/packet.c when receiving a RADIUS vendor-specific attribute with length field is less than 2. It has an impact only when the attacker controls the RADIUS server, which can lead to arbitrary code execution.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 2.7% | 0.84 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 9.8 | 3.9 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 7.5 | 10 | 6.4 |
AV:N/AC:L/Au:N/C:P/I:P/A:P
|
CWE-191 Integer Underflow (Wrap or Wraparound)
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.
https://github.com/accel-ppp/accel-ppp/commit/e9d369aa0054312b7633e964e9f7eb323f1f3d69
https://github.com/accel-ppp/accel-ppp/security/advisories/GHSA-2m44-rh3c-x4gr