Format string vulnerabilities in the logging routines for dynamic DNS code (print.c) of ISC DHCP daemon (DHCPD) 3 to 3.0.1rc8, with the NSUPDATE option enabled, allow remote malicious DNS servers to execute arbitrary code via format strings in a DNS server response.
Conclusion & alert: CVE-2002-0702 is rated High Exploit Risk (88.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 31.14%, 98th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 21440 | exploit_db | edb | 2002-05-08 | Exploit-DB ↗ |
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 | 31.72% | 31.14% | -0.58% |
| 2 | 2026-02-12 | 37.65% | 31.72% | -5.93% |
| 3 | 2025-03-30 | — | 37.65% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| isc | dhcpd | 3.0 | cpe:2.3:a:isc:dhcpd:3.0:*:*:*:*:*:*:* |
| isc | dhcpd | 3.0.1 | cpe:2.3:a:isc:dhcpd:3.0.1:rc1:*:*:*:*:*:* |
| isc | dhcpd | 3.0.1 | cpe:2.3:a:isc:dhcpd:3.0.1:rc2:*:*:*:*:*:* |
| isc | dhcpd | 3.0.1 | cpe:2.3:a:isc:dhcpd:3.0.1:rc3:*:*:*:*:*:* |
| isc | dhcpd | 3.0.1 | cpe:2.3:a:isc:dhcpd:3.0.1:rc4:*:*:*:*:*:* |
| isc | dhcpd | 3.0.1 | cpe:2.3:a:isc:dhcpd:3.0.1:rc5:*:*:*:*:*:* |
| isc | dhcpd | 3.0.1 | cpe:2.3:a:isc:dhcpd:3.0.1:rc6:*:*:*:*:*:* |
| isc | dhcpd | 3.0.1 | cpe:2.3:a:isc:dhcpd:3.0.1:rc7:*:*:*:*:*:* |
| isc | dhcpd | 3.0.1 | cpe:2.3:a:isc:dhcpd:3.0.1:rc8:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-028.0.txt | |
| http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0063.html | |
| http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000483 | |
| http://marc.info/?l=bugtraq&m=102089498828206&w=2 | |
| http://www.cert.org/advisories/CA-2002-12.html | Patch Third Party Advisory US Government Resource |
| http://www.iss.net/security_center/static/9039.php | Patch Vendor Advisory |
| http://www.kb.cert.org/vuls/id/854315 | US Government Resource |
| http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-037.php | Patch Vendor Advisory |
| http://www.novell.com/linux/security/advisories/2002_19_dhcp.html | |
| http://www.securityfocus.com/bid/4701 | Patch Vendor Advisory |