CVE-2020-10980Network attack vector

Internal-service requests via unchecked importer URL

Published Apr 8, 2020 · Updated Aug 4, 2024

Blind SSRF in the GitLab EE/CE FogBugz integration from 8.0.rc1 through 12.9 allows remote attackers to reach internal services. The importer sends requests to a supplied FogBugz server URL without blocking localhost destinations, causing the GitLab host to act as a blind network proxy. The FogBugz import path must be reachable; response bodies remain hidden, but server-originated requests can target internal endpoints.

CVSS severity9.8
Critical
EPSS probability1.87%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Blind SSRF in the GitLab EE/CE FogBugz integration from 8.0.rc1 through 12.9 allows remote attackers to reach internal services. The importer sends requests to a supplied FogBugz server URL without blocking localhost destinations, causing the GitLab host to act as a blind network proxy. The FogBugz import path must be reachable; response bodies remain hidden, but server-originated requests can target internal endpoints.

The record

CVE
CVE-2020-10980
Published
Apr 8, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-918, CAPEC-664, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 8, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5NIST NVDAV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
CAPEC-664Server Side Request Forgery
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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