How severe is CVE-2022-0677?

CVE-2022-0677 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-0677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-0677?

CVE-2022-0677 primarily affects Bitdefender Endpoint Security Tools. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-0677?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-0677 published?

CVE-2022-0677 was published on 2022-04-07 and last updated on 2026-06-17.

CVE-2022-0677

CVE-2022-0677 is a high-severity vulnerability in Bitdefender Endpoint Security Tools with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-130.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-130
Affected product: Bitdefender Endpoint Security Tools
Published: 2022-04-07
Last modified: 2026-06-17

Description

Improper Handling of Length Parameter Inconsistency vulnerability in the Update Server component of Bitdefender Endpoint Security Tools (in relay role), GravityZone (in Update Server role) allows an attacker to cause a Denial-of-Service. This issue affects: Bitdefender Update Server versions prior to 3.4.0.276. Bitdefender GravityZone versions prior to 26.4-1. Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.171. Bitdefender Endpoint Security Tools for Windows versions prior to 7.4.1.111.

Frequently asked questions

What is CVE-2022-0677?: Improper Handling of Length Parameter Inconsistency vulnerability in the Update Server component of Bitdefender Endpoint Security Tools (in relay role), GravityZone (in Update Server role) allows an attacker to cause a Denial-of-Service. This issue affects: Bitdefender Update Server versions prior to 3.4.0.276. Bitdefender GravityZone versions prior to 26.4-1. Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.171. Bitdefender Endpoint Security Tools for Windows versions prior to 7.4.1.111.
How severe is CVE-2022-0677?: CVE-2022-0677 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-0677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-0677?: CVE-2022-0677 primarily affects Bitdefender Endpoint Security Tools. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-0677?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-0677 published?: CVE-2022-0677 was published on 2022-04-07 and last updated on 2026-06-17.

References

https://www.bitdefender.com/support/security-advisories/improper-handling-of-length-parameter-inconsistency-vulnerability-in-bitdefender-update-server-va-10144

Affected products (4)

cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:linux:*:*
cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:windows:*:*
cpe:2.3:a:bitdefender:gravityzone:*:*:*:*:*:*:*:*
cpe:2.3:a:bitdefender:update_server:*:*:*:*:*:*:*:*

More vulnerabilities in Bitdefender Endpoint Security Tools

CVE-2021-3554 — Critical (CVSS 9.0): Improper Access Control vulnerability in the patchesUpdate API as implemented in Bitdefender Endpoint Security Tools…
CVE-2020-8097 — High (CVSS 8.1): An improper authentication vulnerability in Bitdefender Endpoint Security Tools for Windows and Bitdefender Endpoint…
CVE-2025-7073 — High (CVSS 7.8): A local privilege escalation vulnerability in Bitdefender Total Security versions prior to 27.0.47.241 allows…
CVE-2021-4199 — High (CVSS 7.8): Incorrect Permission Assignment for Critical Resource vulnerability in the crash handling component BDReinit.exe as…
CVE-2021-3579 — High (CVSS 7.8): Incorrect Default Permissions vulnerability in the bdservicehost.exe and Vulnerability.Scan.exe components as used in…
CVE-2021-3576 — High (CVSS 7.8): Execution with Unnecessary Privileges vulnerability in Bitdefender Endpoint Security Tools, Total Security allows a…

All CVEs affecting Bitdefender Endpoint Security Tools →

Other CWE-130 vulnerabilities

CVE-2022-2714 — Critical (CVSS 9.8): Improper Handling of Length Parameter Inconsistency in GitHub repository francoisjacquet/rosariosis prior to 10.0.
CVE-2026-9054 — Critical (CVSS 9.2): An attacker sending tcp, il, rudp, rudp, or gre packets with a length less than the header size would trigger a kernel…
CVE-2022-1543 — High (CVSS 8.8): Improper handling of Length parameter in GitHub repository erudika/scoold prior to 1.49.4. When the text size is large…
CVE-2026-3868 — High (CVSS 8.7): An improper handling of the length parameter inconsistency vulnerability has been identified in Moxa’s Secure…
CVE-2026-5367 — High (CVSS 8.6): A flaw was found in OVN (Open Virtual Network). A remote attacker, by sending crafted DHCPv6 (Dynamic Host…
CVE-2022-20870 — High (CVSS 8.6): A vulnerability in the egress MPLS packet processing function of Cisco IOS XE Software for Cisco Catalyst 3650,…

Browse all CWE-130 vulnerabilities →