SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-9033

Symmetricom SyncServer S100 2.90.70.3, S200 1.30, S250 1.25, S300 2.65.0, and S350 2.80.1 devices allow Directory Traversal via the FileName parameter to authlog.php.

MEDIUM 6.5EPSS 1.35%

Does this matter?

Lower severity and a low EPSS score (1.35%). Track it; it rarely justifies an emergency change on its own.

Description

Symmetricom SyncServer S100 2.90.70.3, S200 1.30, S250 1.25, S300 2.65.0, and S350 2.80.1 devices allow Directory Traversal via the FileName parameter to authlog.php.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS
1.35% probability · 71th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-22
Affected
microchip/syncserver s100 firmware · microchip/syncserver s200 firmware · microchip/syncserver s250 firmware · microchip/syncserver s300 firmware · microchip/syncserver s350 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 1.35%26 October 202626 October 2026

EPSS 1.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.