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.
CVE-2002-0702
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 98.1%
- KEV
- Not listed
Published
July 26, 2002
Last Modified
June 16, 2026
References (20)
- cve@mitreftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-028.0.txt
- cve@mitrehttp://archives.neohapsis.com/archives/vulnwatch/2002-q2/0063.html
- cve@mitrehttp://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000483
- cve@mitrehttp://marc.info/?l=bugtraq&m=102089498828206&w=2
- cve@mitrehttp://www.cert.org/advisories/CA-2002-12.html
- cve@mitrehttp://www.iss.net/security_center/static/9039.php
- cve@mitrehttp://www.kb.cert.org/vuls/id/854315
- cve@mitrehttp://www.linux-mandrake.com/en/security/2002/MDKSA-2002-037.php
- cve@mitrehttp://www.novell.com/linux/security/advisories/2002_19_dhcp.html
- cve@mitrehttp://www.securityfocus.com/bid/4701
- af854a3a-2127-422b-91ae-364da2661108ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-028.0.txt
- af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0063.html
- af854a3a-2127-422b-91ae-364da2661108http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000483
- af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=102089498828206&w=2
- af854a3a-2127-422b-91ae-364da2661108http://www.cert.org/advisories/CA-2002-12.html
Data Freshness Timeline
(refreshed 3× in last 7d / 14× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 06:07 UTCEPSS rescore
- 2026-07-11 08:22 UTCEPSS rescore
- 2026-07-08 15:08 UTCEPSS rescore
- 2026-07-02 14:00 UTCEPSS rescore
- 2026-06-27 03:04 UTCEPSS rescore
- 2026-06-24 14:01 UTCEPSS rescore
- 2026-06-23 21:29 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-14 23:13 UTCEPSS rescore
- 2026-06-13 22:56 UTCEPSS rescore
- 2026-06-12 23:07 UTCEPSS rescore
- 2026-06-11 13:55 UTCEPSS rescore
- 2026-06-10 22:13 UTCEPSS rescore
- 2026-06-10 13:17 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-05-31 22:27 UTCEPSS rescore
- 2026-05-31 19:18 UTCEG score recompute
Show 18 moreShow fewer
- 2026-05-31 19:18 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-24 16:42 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-21 22:38 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-21440✓ verifiedFirst seen May 8, 2002
ISC DHCPD 2.0/3.0.1 - NSUPDATE Remote Format String
Open source ↗
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