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Internet Gatekeeper CVE-2022-28887

HIGH
Improper Resource Shutdown or Release (CWE-404)
2022-10-12 cve-notifications-us@f-secure.com
Denial Of Service Internet Gatekeeper Linux Security Elements Endpoint Detection And Response Elements Endpoint Protection Atlant Linux Security 64 F Secure
7.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
CWE-404
ASVS 5.0
V15 - Secure Coding and Architecture Resource release
Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAI

Multiple Denial-of-Service (DoS) vulnerability was discovered in F-Secure & WithSecure products whereby the aerdl.dll unpacker handler function crashes. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-404. Multiple Denial-of-Service (DoS) vulnerability was discovered in F-Secure & WithSecure products whereby the aerdl.dll unpacker handler function crashes. This can lead to a possible scanning engine crash. Affected products include: F-Secure Elements Endpoint Detection And Response, F-Secure Elements Endpoint Protection, F-Secure Atlant, F-Secure Internet Gatekeeper, F-Secure Linux Security.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionNVD

Multiple Denial-of-Service (DoS) vulnerability was discovered in F-Secure & WithSecure products whereby the aerdl.dll unpacker handler function crashes. This can lead to a possible scanning engine crash.

Threat Intelligence Overview

EPSS Score
0.4%
Top 71% exploitable
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:a:f-secure:elements_endpoint_detection_and_response:-:*:*:*:*:*:*:*
cpe:2.3:a:f-secure:elements_endpoint_protection:-:*:*:*:*:*:*:*
cpe:2.3:a:f-secure:atlant:-:*:*:*:*:*:*:*
cpe:2.3:a:f-secure:internet_gatekeeper:-:*:*:*:*:-:*:*
cpe:2.3:a:f-secure:linux_security:-:*:*:*:*:*:x86:*
cpe:2.3:a:f-secure:linux_security_64:-:*:*:*:*:*:*:*

More in Internet Gatekeeper

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CVE-2021-33601 HIGH
8.8 Sep 28

A vulnerability was discovered in the web user interface of F-Secure Internet Gatekeeper. Rated high severity (CVSS 8.8)
CVE-2022-28884 HIGH
7.5 Sep 06

A Denial-of-Service vulnerability was discovered in the F-Secure and WithSecure products where aerdl.dll may go into an

CVE-2022-28883 HIGH
7.5 Aug 23

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure & WithSecure products whereby the aerdl unpack functi
CVE-2022-28882 HIGH
7.5 Aug 23

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure & WithSecure products whereby the aegen.dll will go i
CVE-2022-28881 HIGH
7.5 Aug 10

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the aerdl.dll component used in certai
CVE-2022-28879 HIGH
7.5 Jul 22

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant and in certain WithSecure products whereby the
CVE-2022-28878 HIGH
7.5 Jul 22

A Denial-of-Service vulnerability was discovered in the F-Secure Atlant and in certain WithSecure products while scannin
CVE-2022-28876 HIGH
7.5 Jul 14

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant and in certain WithSecure products whereby the
CVE-2021-33600 HIGH
7.5 Sep 28

A denial-of-service (DoS) vulnerability was discovered in the web user interface of F-Secure Internet Gatekeeper. Rated

CVE-2022-28875 MEDIUM
6.5 May 25

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant and in certain WithSecure products whereby the
CVE-2021-40832 MEDIUM
6.5 Oct 08

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVRDL unpacking module component u
CVE-2021-33603 MEDIUM
6.5 Oct 08

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVPACK module component used in ce

Same weakness CWE-404 – Improper Resource Shutdown or Release

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References

Advisories & patches
ADVISORY https://www.f-secure.com/en/business/support-and-downloads/security-advisories ADVISORY https://www.withsecure.com/en/support/security-advisories

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