CVE-2021-3113: Netsia SEBA+ through 0.16.1 build 70-e669dcd7 allows remote attackers to discover session cookies via a direct

Q: How do I fix CVE-2021-3113?

seba\+: upgrade to newer than 0.16.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-3113 being exploited?

CVE-2021-3113 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-3113 affect?

CVE-2021-3113 affects seba\+. Severity is high (CVSS 7.5). 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

Q: How urgent is CVE-2021-3113?

Priority 58/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2021-3113 is a high-severity flaw (CVSS 7.5) affecting seba\+. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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,

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.2% (top 12%)
CISA exploited list	No
Weakness	CWE-425
Published	2021-01-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: netsia

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-01-17 03:15 UTCPublished CVE record published
2026-06-17 04:04 UTCUpdated Record last modified

netsia seba\+ UPGRADE

Affected: <= 0.16.1

Fixed in: newer than 0.16.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy seba+ || rpm -q seba+ || seba+ --version

2. UPGRADE to newer than 0.16.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade seba+

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade seba+

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-3113?

seba\+: upgrade to newer than 0.16.1. Exact commands for each OS are on this page.

Is CVE-2021-3113 being exploited?

CVE-2021-3113 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-3113 affect?

CVE-2021-3113 affects seba\+. Severity is high (CVSS 7.5). 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

How urgent is CVE-2021-3113?

Priority 58/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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