CVE-2002-2097

The compression code in MaraDNS before 0.9.01 allows remote attackers to cause a denial of service via crafted DNS packets.

Published: 2002-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-2097 is rated Moderate Risk (44.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.74%). Review affected assets and schedule 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-2002-2097

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 2025-03-30 0.76% 0.74% -0.03%
2 2025-03-29 0.66% 0.76% +0.10%
3 2024-12-17 — 0.66% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-2097

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P 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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2002-2097

OS Trackers for CVE-2002-2097

vendor priority summary link
debian low CVE-2002-2097 low priority: Debian including 1 source packages (maradns), 1 status rows across 1 suites (bullseye): resolved 1. https://security-tracker.debian.org/tracker/CVE-2002-2097

Affected software / configurations for CVE-2002-2097

Vendor Product Version Raw CPE
maradns maradns 0.5.28 cpe:2.3:a:maradns:maradns:0.5.28:*:*:*:*:*:*:*
maradns maradns 0.5.29 cpe:2.3:a:maradns:maradns:0.5.29:*:*:*:*:*:*:*
maradns maradns 0.5.30 cpe:2.3:a:maradns:maradns:0.5.30:*:*:*:*:*:*:*
maradns maradns 0.8.99 cpe:2.3:a:maradns:maradns:0.8.99:*:*:*:*:*:*:*
maradns maradns 0.9.00 cpe:2.3:a:maradns:maradns:0.9.00:*:*:*:*:*:*:*

References for CVE-2002-2097

cvelogic Threat Intelligence