CVE-2020-9034: microchip syncserver_s100_firmware
CVSS: 7.5v3.1HighModified
Published 17-02-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-9034 is a high (CVSS 7.5) vulnerability in microchip syncserver_s100_firmware. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 59.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.91%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 17-02-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Symmetricom SyncServer S100 2.90.70.3, S200 1.30, S250 1.25, S300 2.65.0, and S350 2.80.1 devices mishandle session validation, leading to unauthenticated creation, modification, or elimination of users.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.91%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
0.00 pp
From 0.91% on 19-09-2026
19-09-202619-10-2026
EPSS score0.91%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (sku11army.blogspot.com)
Maturity: unknown
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microchip5 products
1 vendor · 5 products
References
1 links- sku11army.blogspot.com/2020/01/symmetricom-syncserver_27.htmlX Refsource MISCExploitThird Party Advisory