SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-6123

An exploitable sql injection vulnerability exists in the email parameter functionality of OS4Ed openSIS 7.3.

HIGH 8.8EPSS 1.40%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An exploitable sql injection vulnerability exists in the email parameter functionality of OS4Ed openSIS 7.3. The email parameter in the page EmailCheck.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.40% probability · 72th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-89
Affected
os4ed/opensis
Source
talos-cna@cisco.com
EPSS trend
0%3%5%26 October 2026: 1.40%26 October 202626 October 2026

EPSS 1.4% 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.

References

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