CVE-2017-20226 | msk Mapscrn 2.03 out-of-bounds write (Exploit 42144 / EUVD-2017-18945)

VDB-354095 · CVE-2017-20226 · EXPLOIT 42144 MSK MAPSCRN 2.03 OUT-OF-BOUNDS WRITE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.6 $0-$5k 1.66+ Summaryinfo A vulnerability was found in msk Mapscrn 2.03. It has been rated as critical. Impacted is an unknown function. The manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2017-20226. The attack can only be performed from a local environment. Furthermore, an exploit is available. Detailsinfo A vulnerability was found in msk Mapscrn 2.03. It has been rated as critical. This issue affects an unknown function. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is: Mapscrn 2.0.3 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized input buffer. Attackers can craft a malicious buffer with junk data, return address, NOP instructions, and shellcode to overflow the stack and achieve code execution or denial of service. It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2017-20226 since 03/28/2026. The exploitation is known to be easy. Attacking locally is a requirement. Technical details are unknown but a public exploit is available. The exploit is available at exploit-db.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the databases at Exploit-DB (42144) and EUVD (EUVD-2017-18945). Productinfo Vendor msk Name Mapscrn Version 2.03 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 6.8 VulDB Meta Temp Score: 6.6 VulDB Base Score: 5.3 VulDB Temp Score: 4.8 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 8.4 CNA Vector (VulnCheck): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Out-of-bounds write CWE: CWE-787 / CWE-119 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 EPSS Score: 🔒 EPSS Percentile: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Exploit-DB: 🔒 Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/28/2026 Advisory disclosed 03/28/2026 +0 days CVE reserved 03/28/2026 +0 days VulDB entry created 03/29/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 42144 Status: Not defined CVE: CVE-2017-20226 (🔒) GCVE (CVE): GCVE-0-2017-20226 GCVE (VulDB): GCVE-100-354095 EUVD: 🔒 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/28/2026 21:54 Updated: 03/29/2026 00:36 Changes: 03/28/2026 21:54 (78), 03/29/2026 00:36 (1) Complete: 🔍 Cache ID: 99:253:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸