CVE-2013-2492

mediumpriority · attend · 52EPSS 0.422 · 99 %ileexploit · functionalEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · functional

Likely / severe?

42.2% (99th) EPSS

CVSS 6.8 · medium

Is it mine?

9 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Psecondary · FSTEC (BDU) RU

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:P/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-41709Firebird - Relational Database CNCT Group Number Buffer Overflow (Metasploit)functional · exploit_db
exploit/windows/misc/fb_cnct_groupFirebird Relational Database CNCT Group Number Buffer Overflowfunctional · metasploit

affected products (9)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Firebird Foundation Inc. Firebird2.1.3 → 2.1.5fstec_bduRU
Firebird Foundation Inc. Firebird2.5.1 → 2.5.3fstec_bduRU
firebirdsql firebird= 2.1.3nvdUScpe:2.3:a:firebirdsql:firebird:*:*:*:*:*:*:*:*
firebirdsql firebird= 2.1.4nvdUScpe:2.3:a:firebirdsql:firebird:*:*:*:*:*:*:*:*
firebirdsql firebird= 2.1.5nvdUScpe:2.3:a:firebirdsql:firebird:*:*:*:*:*:*:*:*
firebirdsql firebird= 2.5.1nvdUScpe:2.3:a:firebirdsql:firebird:*:*:*:*:*:*:*:*
firebirdsql firebird= 2.5.2nvdUScpe:2.3:a:firebirdsql:firebird:*:*:*:*:*:*:*:*
firebirdsql firebird= 2.5.3nvdUScpe:2.3:a:firebirdsql:firebird:*:*:*:*:*:*:*:*

also known as (8)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2013-03-15modified 2026-06-16

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+21039 more

references (22)

External citations — patches, advisories, analysis.

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