What is CVE-2021-3113?

CVE-2021-3113 is a high-severity vulnerability in Netsia Seba\+, classified under Direct Request (Forced Browsing). CVSS score: 7.5/10. Published 2021-01-17.

How severe is CVE-2021-3113?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Netsia Seba\+

CVE-2021-3113

Netsia SEBA+ through 0.16.1 build 70-e669dcd7 allows remote attackers to discover session cookies via a direct /session/list/allActiveSession request. For example, the attacker can discover the admin's cookie if the admin account happens to be logged in when the allActiveSession request occurs, and can then use that cookie immediately for admin access,

Published 2021-01-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.032 (87.5th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000

Affected products

Netsia Seba\+

Weakness classification (CWE)

CWE-425 — Direct Request (Forced Browsing)

References

www.pentest.com.tr/exploits/Netsia-SEBA-0-16-1-Authentication-Bypass-Add-Root-U… (Exploit, Third Party Advisory)
www.netsia.com/ (Vendor Advisory)
www.exploit-db.com/exploits/49435 (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-3113?: CVE-2021-3113 is a high-severity vulnerability in Netsia Seba\+, classified under Direct Request (Forced Browsing). CVSS score: 7.5/10. Published 2021-01-17.
How severe is CVE-2021-3113?: High severity. CVSS v3 base score is 7.5 out of 10.