CVE-1999-0011

Denial of Service vulnerabilities in BIND 4.9 and BIND 8 Releases via CNAME record and zone transfer.

Published: 1998-04-08 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-0011 is rated Moderate Risk (56.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 10.98%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.18% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-1999-0011

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 2025-04-10 8.79% 10.98% +2.18%
2 2025-03-30 41.78% 8.79% -32.99%
3 2025-03-29 41.78%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0011

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.4 3.1 MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L Click to expand
Attack vector (AV:A)
Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
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:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
2.8 2.5 134c704f-9b21-4f2e-91b3-4a467353bcc0
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
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.
10.0 10.0 [email protected]

Weakness enumeration for CVE-1999-0011

OS Trackers for CVE-1999-0011

vendor priority summary link
alpine CVE-1999-0011: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0011

Affected software / configurations for CVE-1999-0011

Vendor Product Version Raw CPE
data_general dg_ux y2k_patchr4.11mu05 cpe:2.3:a:data_general:dg_ux:y2k_patchr4.11mu05:*:*:*:*:*:*:*
data_general dg_ux y2k_patchr4.12mu03 cpe:2.3:a:data_general:dg_ux:y2k_patchr4.12mu03:*:*:*:*:*:*:*
data_general dg_ux y2k_patchr4.20mu01 cpe:2.3:a:data_general:dg_ux:y2k_patchr4.20mu01:*:*:*:*:*:*:*
data_general dg_ux y2k_patchr4.20mu02 cpe:2.3:a:data_general:dg_ux:y2k_patchr4.20mu02:*:*:*:*:*:*:*
data_general dg_ux y2k_patchr4.20mu03 cpe:2.3:a:data_general:dg_ux:y2k_patchr4.20mu03:*:*:*:*:*:*:*
isc bind 4.9 cpe:2.3:a:isc:bind:4.9:*:*:*:*:*:*:*
isc bind 8 cpe:2.3:a:isc:bind:8:*:*:*:*:*:*:*
ibm aix 4.1 cpe:2.3:o:ibm:aix:4.1:*:*:*:*:*:*:*
ibm aix 4.2 cpe:2.3:o:ibm:aix:4.2:*:*:*:*:*:*:*
ibm aix 4.3 cpe:2.3:o:ibm:aix:4.3:*:*:*:*:*:*:*
nec asl_ux_4800 11 cpe:2.3:o:nec:asl_ux_4800:11:*:*:*:*:*:*:*
nec asl_ux_4800 13 cpe:2.3:o:nec:asl_ux_4800:13:*:*:*:*:*:*:*
netbsd netbsd 1.3 cpe:2.3:o:netbsd:netbsd:1.3:*:*:*:*:*:*:*
netbsd netbsd 1.3.1 cpe:2.3:o:netbsd:netbsd:1.3.1:*:*:*:*:*:*:*
redhat linux 4.2 cpe:2.3:o:redhat:linux:4.2:*:*:*:*:*:*:*
redhat linux 5.0 cpe:2.3:o:redhat:linux:5.0:*:*:*:*:*:*:*
sco open_desktop 3.0 cpe:2.3:o:sco:open_desktop:3.0:*:*:*:*:*:*:*
sco openserver 5.0 cpe:2.3:o:sco:openserver:5.0:*:*:*:*:*:*:*
sco unix 3.2v4 cpe:2.3:o:sco:unix:3.2v4:*:*:*:*:*:*:*
sco unixware 2.1 cpe:2.3:o:sco:unixware:2.1:*:*:*:*:*:*:*
sco unixware 7.0 cpe:2.3:o:sco:unixware:7.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
sun sunos 5.6 cpe:2.3:o:sun:sunos:5.6:*:*:*:*:*:*:*

References for CVE-1999-0011

cvelogic Threat Intelligence