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CVE-2017-18347

18
FAUCET Score

CVE-2017-18347 describes an incorrect access control vulnerability in RDP Level 1 on STMicroelectronics STM32F0 series devices. A physically present attacker can exploit a race condition during Serial Wire Debug (SWD) initialization to extract protected firmware. This medium-severity vulnerability (CVSS 4.6) requires physical access and low attack complexity, leading to high confidentiality impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:st:stm32f071rb_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:st:stm32f071v8_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:st:stm32f071vb_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:st:stm32f072c8_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:st:stm32f072cb_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.6MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
0.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 68th percentile among its peer group of 1,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

community.st.com / s/question/0D50X00009Xke7aSAB/readout-protection-cracked-on-stm32
Vendor Advisory
aisec.fraunhofer.de / en/FirmwareProtection.html
ExploitThird Party Advisory
usenix.org / conference/woot17/workshop-program/presentation/obermaier
ExploitThird Party Advisory