CVE-1999-0524
ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
CVE-1999-0524 is a low vulnerability (CVSS 2.1) in Apple Mac Os X, published August 1, 1997. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 32.2%, the 98th percentile. Fixed in kernel 5.10.78.1-1.
- Severity
- 2.1 LowCVSS 2.0, NVD
- Exploit chance
- 32.2%EPSS, 98th percentile
- Exploitation
- None known3 public exploits
- Fixed in
5.10.78.1-1kernel
Description
ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
Exploit likelihood
Affected products
- apple mac os x
- apple macos
- cisco ios
- hp hp-ux
- hp tru64
- ibm aix
- ibm os2
- linux kernel
- microsoft windows
- novell netware
- oracle solaris
- sco unix
Show 2 moreShow less
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kernelAzure Linux:2 | before 5.10.78.1-1 | 5.10.78.1-1 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | threatlabindonesia/CVE-1999-0524-ICMP-Timestamp-and-Address-Mask-Request-Exploit | 2024-11-25 |
| PoC in GitHub | Ransc0rp1on/ICMP-Timestamp-POC | 2025-05-27 |
| PoC in GitHub | biontdv/CVE-1999-0524-POC | 2026-07-14 |
What each source reports
CVE List
ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
- Record
CVE-1999-0524- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-1999-0522
ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
- Record
EUVD-1999-0522- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5qg4-5cpf-4r9p
ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
- Record
GHSA-5qg4-5cpf-4r9p- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
NVD
ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
- Record
CVE-1999-0524- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSVAZL-6510No score
CVE-1999-0524 affecting package kernel for versions less than 5.10.78.1-1
ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
- Record
AZL-6510- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.