What is CVE-2015-1171?

CVE-2015-1171 is a vulnerability in Gsm Sim Card Editor, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-08-28.

Is CVE-2015-1171 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Gsm Sim Card Editor

CVE-2015-1171

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.

Vulnerability class: Buffer Overflow

Published 2015-08-28 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.627 (99.2th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.627 · newest: 0.627 · change: 0.000

Affected products

Gsm Sim Card Editor — versions 6.6

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

osandamalith.wordpress.com/2015/01/16/sim-editor-stack-based-buffer-overflow/ (Exploit)
packetstormsecurity.com/files/129992/simeditor-overflow.txt (Exploit)
www.youtube.com/watch (Exploit)

Frequently asked questions

What is CVE-2015-1171?: CVE-2015-1171 is a vulnerability in Gsm Sim Card Editor, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-08-28.
Is CVE-2015-1171 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.