CVE-2023-52557
HIGHCVSS 7.5/10EPSS 0.56%
Last modified
CVE-2023-52557 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In OpenBSD 7.3 before errata 016, npppd(8) could crash by a l2tp message which has an AVP (Attribute-Value Pair) with wrong length. . EPSS estimates a 0.56% chance of exploitation in the next 30 days.
Description
In OpenBSD 7.3 before errata 016, npppd(8) could crash by a l2tp message which has an AVP (Attribute-Value Pair) with wrong length.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openbsd | < 7.3 |
| Openbsd | Openbsd | 7.3 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2023-52557?
In OpenBSD 7.3 before errata 016, npppd(8) could crash by a l2tp message which has an AVP (Attribute-Value Pair) with wrong length.
How severe is CVE-2023-52557?
CVE-2023-52557 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.
How do I fix CVE-2023-52557?
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-2023-52557?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST