Which products and versions are affected by CVE-2012-0201?

Affected: Personal Communications (Ibm) versions 5.9.7.0, 5.9.7.1, 6.0.3.0. The full list is in the CVE brief.

Is CVE-2012-0201 being exploited in the wild?

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

Is CVE-2012-0201 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-2012-0201?

Public exploit code is available.

Is there a fix for CVE-2012-0201?

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

How urgently should CVE-2012-0201 be patched?

Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

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Emerging threatsCritical

CVE-2012-0201Personal Communications Memory Corruption

Stack-based buffer overflow in pcspref.dll in pcsws.exe in IBM Personal Communications 5.9.x before 5.9.8 and 6.0.x before 6.0.4 might allow remote attackers to execute arbitrary code via a long profile string in a WorkStation (aka .ws) file.

Published Mar 2, 2012 · Updated Apr 28, 2026

Key Facts

Patch immediately

CVE-2012-0201 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Personal Communications (Ibm).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 36% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v2

9.3

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

36%

Higher than 98.4% of all scored CVEs

Exploit maturity

Weaponized

ATLAS score

58/100

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

Advisories And Exploit References

advisoryhttp://www-01.ibm.com/support/docview.wss?uid=swg21586166

Description

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
Personal CommunicationsIbm	5.9.7.0, 5.9.7.1, 6.0.3.0	n/a

Timeline

Publicly disclosed
Mar 2, 2012
Last updated
Apr 28, 2026

Weakness Type

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

advisorywww-01.ibm.com · docview.wss
exploitMSF ibm_pcm_ws.rb
exploitExploitDB-18539
exploit18539
exploitstratsec.net · IBM-Personal-Communications-I-Series-Access-Wor…

4 more references in the full CVE brief

FAQ

Common Questions.

Stack-based buffer overflow in pcspref.dll in pcsws.exe in IBM Personal Communications 5.9.x before 5.9.8 and 6.0.x before 6.0.4 might allow remote attackers to execute arbitrary code via a long profile string in a WorkStation (aka .ws) file.
Affected: Personal Communications (Ibm) versions 5.9.7.0, 5.9.7.1, 6.0.3.0. 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: patch immediately, because public exploit code exists for a high-severity flaw.

Is CVE-2012-0201 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.