| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.4 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in FreeBSD, NetBSD and OpenBSD. Affected is the function mmap. Performing a manipulation results in privileges management.
This vulnerability is cataloged as CVE-1999-0323. There is no exploit available.
You should upgrade the affected component.
Details
A vulnerability, which was classified as very critical, was found in FreeBSD, NetBSD and OpenBSD (Operating System). This affects the function mmap. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
freebsd mmap function allows users to modify append-only or immutable files.
The weakness was shared 02/20/1998 as 1998-003 as not defined advisory (Website). It is possible to read the advisory at ftp.netbsd.org. This vulnerability is uniquely identified as CVE-1999-0323. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/17/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (735) and Vulnerability Center (SBV-23406†). The entry VDB-14070 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.
Affected
- FreeBSD 2.2
- NetBSD 2.0.4
- OpenBSD 2.2
Product
Type
Name
License
Website
- Product: https://www.freebsd.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.4
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
02/20/1998 🔍02/20/1998 🔍
02/20/1998 🔍
09/08/2009 🔍
06/18/2014 🔍
04/17/2026 🔍
Sources
Product: freebsd.orgAdvisory: 1998-003
Status: Confirmed
CVE: CVE-1999-0323 (🔍)
GCVE (CVE): GCVE-0-1999-0323
GCVE (VulDB): GCVE-100-14079
X-Force: 735
Vulnerability Center: 23406 - Multiple BSD Vendors Mmap System Call Root Privileges Escalation Vulnerability, Medium
See also: 🔍
Entry
Created: 06/18/2014 23:59Updated: 04/17/2026 08:57
Changes: 06/18/2014 23:59 (50), 02/13/2017 16:17 (6), 04/17/2026 08:57 (18)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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