No exploitation reportedFix available

CVE-2022-2883

Q: Is CVE-2022-2883 actively exploited?

Active exploitation of CVE-2022-2883 has not been confirmed. Its EPSS score was 1.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-2883?

CVE-2022-2883 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

No exploitation reported by the sources we read.

Published2023-02-22
Fixed in2022.4.8401 · 2022.3.11043
WeaknessCWE-434

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In affected versions of Octopus Deploy it is possible to upload a zipbomb file as a task which results in Denial of Service

Timeline

dates in UTC

2023-02-2201:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-2883?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-2883?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Octopus octopus server

Branch	Affected	Fixed in	Source
2022.4	≥ 2022.4.0, < 2022.4.8401	2022.4.8401	NVD
2022.3	< 2022.3.11043	2022.3.11043	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Octopus octopus server to 2022.4.8401 · 2022.3.11043

Advisories and patches

advisories.octopus.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-03-11
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.17.52025-03-11
NVDCVSS 3.17.5read 2026-10-23
CISA-ADPweakness (CWE)CWE-4342025-03-11
NVDweakness (CWE)CWE-434read 2026-10-23
FIRST EPSSEPSS score1.0 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2023-02-22
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-2883?

In affected versions of Octopus Deploy it is possible to upload a zipbomb file as a task which results in Denial of Service

Is CVE-2022-2883 actively exploited?

Active exploitation of CVE-2022-2883 has not been confirmed. Its EPSS score was 1.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-2883?

CVE-2022-2883 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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