Which products and versions are affected by CVE-2015-1171?

Affected: Sim Card Editor (Gsm) versions 6.6. The full list is in the CVE brief.

Is CVE-2015-1171 being exploited in the wild?

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

Is CVE-2015-1171 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-2015-1171?

Public exploit code is available.

Is there a fix for CVE-2015-1171?

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

How urgently should CVE-2015-1171 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2015-1171

CriticalPublic exploit

Stack-based buffer overflow in GSM SIM Utility (aka SIM Card Editor) 6.6 allows remote attackers to execute arbitrary code via a long entry in a .sms file.

Published Aug 28, 2015 · Updated May 6, 2026

Key Facts

Patch immediately

CVE-2015-1171 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Sim Card Editor (Gsm).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 63% 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 it is very likely to be exploited soon.

CVSS v2

10.0

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

EPSS (30-day exploit likelihood)

63%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2015-1171 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Stack-based buffer overflow in GSM SIM Utility (aka SIM Card Editor) 6.6 allows remote attackers to execute arbitrary code via a long entry in a .sms file.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Sim Card EditorGsm	6.6	n/a

Timeline

Publicly disclosed
Aug 28, 2015
Last updated
May 6, 2026

Weakness Type

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

References

FAQ

Common Questions.

Stack-based buffer overflow in GSM SIM Utility (aka SIM Card Editor) 6.6 allows remote attackers to execute arbitrary code via a long entry in a .sms file.
Affected: Sim Card Editor (Gsm) versions 6.6. 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 it is very likely to be exploited soon.

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