Stack-based buffer overflow in Firebird 2.1.3 through 2.1.5 before 18514, and 2.5.1 through 2.5.3 before 26623, on Windows allows remote attackers to execute arbitrary code via a crafted packet to TCP port 3050, related to a missing size check during extraction of a group number from CNCT information.
Conclusion & alert: CVE-2013-2492 is rated High Exploit Risk (78.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 86.70%, 99th percentile). Core evidence: 4 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.45% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 41709 | exploit_db | edb | 2013-01-31 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | 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 | 2026-01-13 | 85.26% | 86.70% | +1.45% |
| 2 | 2025-05-05 | 85.66% | 85.26% | -0.40% |
| 3 | 2025-03-30 | — | 85.66% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
high | CVE-2013-2492: 1 GLSA(s) (201512-11), 1 atom(s) (dev-db/firebird); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-2492 |
ubuntu
|
medium | CVE-2013-2492 medium priority: Ubuntu including 2 source packages (firebird2.1, firebird2.5), 30 status rows across 15 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 13, ignored 9, not-affected 6, needs-triage 2. | https://ubuntu.com/security/CVE-2013-2492 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| firebirdsql | firebird | 2.1.3 | cpe:2.3:a:firebirdsql:firebird:2.1.3:*:*:*:*:*:*:* |
| firebirdsql | firebird | 2.1.4 | cpe:2.3:a:firebirdsql:firebird:2.1.4:*:*:*:*:*:*:* |
| firebirdsql | firebird | 2.1.5 | cpe:2.3:a:firebirdsql:firebird:2.1.5:*:*:*:*:*:*:* |
| firebirdsql | firebird | 2.5.1 | cpe:2.3:a:firebirdsql:firebird:2.5.1:*:*:*:*:*:*:* |
| firebirdsql | firebird | 2.5.2 | cpe:2.3:a:firebirdsql:firebird:2.5.2:*:*:*:*:*:*:* |
| firebirdsql | firebird | 2.5.3 | cpe:2.3:a:firebirdsql:firebird:2.5.3:*:*:*:*:*:*:* |