Stack-based buffer overflow in Knox Arkeia Server Backup 5.3.x allows remote attackers to execute arbitrary code via a long type 77 request.

published 2005-02-21 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-0492

cvss: 10.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 64.9%; EPSS 64.9% chance of exploitation in 30 days, percentile 99.2%
public exploits: 7; Metasploit, Exploit-DB

Patch / fix

links 2

securityfocus.com/bid/12594 patch
secunia.com/advisories/14327 advisory

Timeline

2003-09-20 First public exploit (EDB-102)
2005-02-21 Published

Exploit prediction

64.90% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Metasploit exploit/osx/arkeia/type77 Arkeia Backup Client Type 77 Overflow (Mac OS X) metasploit exploit, average rank, 2005-02-18
Metasploit exploit/windows/arkeia/type77 Arkeia Backup Client Type 77 Overflow (Win32) metasploit exploit, good rank, 2005-02-18
EDB-16865 Knox Arkeia Backup Client Type 77 (OSX) - Remote Overflow (Metasploit) remote, 2010-05-09
EDB-16466 Knox Arkeia Backup Client Type 77 (Windows x86) - Remote Overflow (Metasploit) remote, 2010-05-09
EDB-9930 Knox Arkeia Backup Client 5.3.3 Type 77 (OSX) - Overflow (Metasploit) remote, 2005-02-18
EDB-828 Knox Arkeia Server Backup 5.3.x - Remote Code Execution remote, 2005-02-18
EDB-102 Knox Arkeia Pro 5.1.12 - Backup Remote Code Execution remote, 2003-09-20
securityfocus.com http://www.securityfocus.com/bid/12594 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

References

secunia.com /advisories/14327
third-party-advisory, patch, vendor-advisory
securityfocus.com /bid/12594
vdb-entry, exploit, patch
marc.info /?l=bugtraq&m=110887325425794&w=2
mailing-list
exchange.xforce.ibmcloud.com /vulnerabilities/19398
vdb-entry

Sources

CVE List CVE-2005-0491
NVD CVE-2005-0491

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary