CVE-2009-2620 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 8.6% (pctl 95)
Patch early
A public exploit exists.
Description
src/remote/server.cpp in fbserver.exe in Firebird SQL 1.5 before 1.5.6, 2.0 before 2.0.6, 2.1 before 2.1.3, and 2.5 before 2.5 Beta 2 allows remote attackers to cause a denial of service (daemon crash) via a malformed op_connect_request message that triggers an infinite loop or NULL pointer dereference.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 8.63% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-07-29 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| firebirdsql | firebird |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Firebird SQL - op_connect_request main listener shutdown | 2009-07-28 |
References
- http://tracker.firebirdsql.org/browse/CORE-2563
- http://www.coresecurity.com/content/firebird-sql-dos
- http://www.exploit-db.com/exploits/9295
- http://www.securityfocus.com/bid/35842
- https://bugzilla.redhat.com/show_bug.cgi?id=514463
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01341.html
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01370.html
- http://tracker.firebirdsql.org/browse/CORE-2563
- http://www.coresecurity.com/content/firebird-sql-dos
- http://www.exploit-db.com/exploits/9295
- http://www.securityfocus.com/bid/35842
- https://bugzilla.redhat.com/show_bug.cgi?id=514463
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01341.html
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01370.html
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