Which products and versions are affected by CVE-2012-6274?

Affected: Bigant Im Message Server (Bigantsoft). The full list is in the CVE brief.

Is CVE-2012-6274 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2012-6274 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2012-6274?

Public exploit code is available.

Is there a fix for CVE-2012-6274?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2012-6274 be patched?

Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

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Emerging threatsMedium

CVE-2012-6274Bigant Im Message Server Authentication Bypass

BigAntSoft BigAnt IM Message Server does not require authentication for file uploading, which allows remote attackers to create arbitrary files under AntServer\DocData\Public via unspecified vectors.

Published Feb 24, 2013 · Updated Apr 28, 2026

Key Facts

Routine patching

CVE-2012-6274 is a medium-severity vulnerability (CVSS 5.0 v2) affecting Bigant Im Message Server (Bigantsoft).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 47% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

Scores

CVSS v2

5.0

AV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS (30-day exploit likelihood)

47%

Higher than 98.8% of all scored CVEs

Exploit maturity

Weaponized

ATLAS score

47/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Weaponized

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Description

BigAntSoft BigAnt IM Message Server does not require authentication for file uploading, which allows remote attackers to create arbitrary files under AntServer\DocData\Public via unspecified vectors.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Bigant Im Message ServerBigantsoft	See advisory	n/a

Timeline

Publicly disclosed
Feb 24, 2013
Last updated
Apr 28, 2026

Weakness Type

CWE-287 Improper Authentication

References

FAQ

Common Questions.

BigAntSoft BigAnt IM Message Server does not require authentication for file uploading, which allows remote attackers to create arbitrary files under AntServer\DocData\Public via unspecified vectors.
Affected: Bigant Im Message Server (Bigantsoft). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

Is CVE-2012-6274 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.