CVE-1999-0038

Exp

Buffer overflow in xlock program allows local users to execute commands as root.

Published: 1997-04-26 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0038 is rated High Exploit Risk (73.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.32%). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.20% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-1999-0038

EDB-ID Source Kind Published Link
19172 exploit_db edb 1997-04-26 Exploit-DB ↗
19173 exploit_db edb 1997-04-26 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-0038

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.12% 1.32% +1.20%
2 2026-04-02 0.16% 0.12% -0.04%
3 2025-10-21 — 0.16% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0038

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.4 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.5 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.9 10.0 [email protected]

Weakness enumeration for CVE-1999-0038

OS Trackers for CVE-1999-0038

vendor priority summary link
alpine — CVE-1999-0038: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0038

Affected software / configurations for CVE-1999-0038

Vendor Product Version Raw CPE
data_general dg_ux 1.0 cpe:2.3:a:data_general:dg_ux:1.0:*:*:*:*:*:*:*
data_general dg_ux 2.0 cpe:2.3:a:data_general:dg_ux:2.0:*:*:*:*:*:*:*
data_general dg_ux 3.0 cpe:2.3:a:data_general:dg_ux:3.0:*:*:*:*:*:*:*
data_general dg_ux 4.0 cpe:2.3:a:data_general:dg_ux:4.0:*:*:*:*:*:*:*
data_general dg_ux 5.0 cpe:2.3:a:data_general:dg_ux:5.0:*:*:*:*:*:*:*
data_general dg_ux 6.0 cpe:2.3:a:data_general:dg_ux:6.0:*:*:*:*:*:*:*
data_general dg_ux 7.0 cpe:2.3:a:data_general:dg_ux:7.0:*:*:*:*:*:*:*
sgi irix 5.0 cpe:2.3:o:sgi:irix:5.0:*:*:*:*:*:*:*
sgi irix 5.0.1 cpe:2.3:o:sgi:irix:5.0.1:*:*:*:*:*:*:*
sgi irix 5.1 cpe:2.3:o:sgi:irix:5.1:*:*:*:*:*:*:*
sgi irix 5.1.1 cpe:2.3:o:sgi:irix:5.1.1:*:*:*:*:*:*:*
sgi irix 5.2 cpe:2.3:o:sgi:irix:5.2:*:*:*:*:*:*:*
sgi irix 5.3 cpe:2.3:o:sgi:irix:5.3:*:*:*:*:*:*:*
sgi irix 5.3 cpe:2.3:o:sgi:irix:5.3:*:xfs:*:*:*:*:*
sgi irix 6.0 cpe:2.3:o:sgi:irix:6.0:*:*:*:*:*:*:*
sgi irix 6.0.1 cpe:2.3:o:sgi:irix:6.0.1:*:*:*:*:*:*:*
sgi irix 6.0.1 cpe:2.3:o:sgi:irix:6.0.1:*:xfs:*:*:*:*:*
sgi irix 6.1 cpe:2.3:o:sgi:irix:6.1:*:*:*:*:*:*:*
sgi irix 6.3 cpe:2.3:o:sgi:irix:6.3:*:*:*:*:*:*:*
sgi irix 6.4 cpe:2.3:o:sgi:irix:6.4:*:*:*:*:*:*:*
bsdi bsd_os 2.1 cpe:2.3:o:bsdi:bsd_os:2.1:*:*:*:*:*:*:*
debian debian_linux 0.93 cpe:2.3:o:debian:debian_linux:0.93:*:*:*:*:*:*:*
debian debian_linux 1.1 cpe:2.3:o:debian:debian_linux:1.1:*:*:*:*:*:*:*
debian debian_linux 1.2 cpe:2.3:o:debian:debian_linux:1.2:*:*:*:*:*:*:*
debian debian_linux 1.3 cpe:2.3:o:debian:debian_linux:1.3:*:*:*:*:*:*:*
hp hp-ux 10.00 cpe:2.3:o:hp:hp-ux:10.00:*:*:*:*:*:*:*
hp hp-ux 10.01 cpe:2.3:o:hp:hp-ux:10.01:*:*:*:*:*:*:*
hp hp-ux 10.08 cpe:2.3:o:hp:hp-ux:10.08:*:*:*:*:*:*:*
hp hp-ux 10.10 cpe:2.3:o:hp:hp-ux:10.10:*:*:*:*:*:*:*
hp hp-ux 10.16 cpe:2.3:o:hp:hp-ux:10.16:*:*:*:*:*:*:*
hp hp-ux 10.20 cpe:2.3:o:hp:hp-ux:10.20:*:*:*:*:*:*:*
hp hp-ux 10.24 cpe:2.3:o:hp:hp-ux:10.24:*:*:*:*:*:*:*
hp hp-ux 10.30 cpe:2.3:o:hp:hp-ux:10.30:*:*:*:*:*:*:*
hp hp-ux 10.34 cpe:2.3:o:hp:hp-ux:10.34:*:*:*:*:*:*:*
ibm aix 3.2 cpe:2.3:o:ibm:aix:3.2:*:*:*:*:*:*:*
ibm aix 4.1 cpe:2.3:o:ibm:aix:4.1:*:*:*:*:*:*:*
ibm aix 4.2 cpe:2.3:o:ibm:aix:4.2:*:*:*:*:*:*:*
sun solaris 2.4 cpe:2.3:o:sun:solaris:2.4:*:x86:*:*:*:*:*
sun solaris 2.5 cpe:2.3:o:sun:solaris:2.5:*:x86:*:*:*:*:*
sun solaris 2.5.1 cpe:2.3:o:sun:solaris:2.5.1:*:ppc:*:*:*:*:*
sun solaris 2.5.1 cpe:2.3:o:sun:solaris:2.5.1:*:x86:*:*:*:*:*
sun sunos 5.3 cpe:2.3:o:sun:sunos:5.3:*:*:*:*:*:*:*
sun sunos 5.4 cpe:2.3:o:sun:sunos:5.4:*:*:*:*:*:*:*
sun sunos 5.5 cpe:2.3:o:sun:sunos:5.5:*:*:*:*:*:*:*
sun sunos 5.5.1 cpe:2.3:o:sun:sunos:5.5.1:*:*:*:*:*:*:*

References for CVE-1999-0038

cvelogic Threat Intelligence