Security readout for executives and security teams
Plain-English summary
Labstack Echo v4.8.0 is reported to have an open redirect in its Static Handler. The CVE says attackers could leverage this into SSRF, which may let them make a server reach unintended internal or external destinations. The record rates this as critical, but the provided sources do not show confirmed active exploitation.
Executive priority
Treat this as high-priority if Echo v4.8.0 Static Handler is present in internet-facing applications. The critical score and SSRF consequence justify rapid inventory and containment, but remediation details are incomplete in the provided evidence.
Technical view
CVE-2022-40083 describes CWE-601 in Labstack Echo v4.8.0 Static Handler. The CVSS 3.1 vector is 9.6, network reachable, low complexity, no privileges required, user interaction required, changed scope, and high confidentiality, integrity, and availability impact. Affected CPE data is not provided in the bundle.
Likely exposure
Exposure is most likely in Go web applications using Labstack Echo v4.8.0 and the Static Handler component. The source bundle does not identify CPEs, downstream packages, default configurations, or cloud services affected.
Exploitation context
The bundle does not cite CISA KEV and marks KEV false, so active exploitation is not established here. The CVSS vector indicates remote attackability with required user interaction and potential SSRF consequences after abusing open redirect behavior.
Researcher notes
The evidence is sparse: the CVE record names Echo v4.8.0 and Static Handler, but affected metadata is listed as n/a. Do not broaden impact beyond that. Validate dependency presence, route reachability, and SSRF-relevant network controls before declaring exposure.
Mitigation direction
- Inventory applications using Labstack Echo v4.8.0 and Static Handler.
- Check the Labstack Echo issue and project guidance for fixed versions or workarounds.
- Prioritize compensating SSRF controls around outbound requests and metadata endpoints.
- Assess temporarily restricting Static Handler use where business impact is acceptable.
- Monitor vendor advisories and dependency updates for confirmed remediation.
Validation and detection
- Confirm dependency versions from lockfiles and build manifests.
- Identify routes or assets served through Echo Static Handler.
- Review whether redirect handling can reach unintended destinations.
- Check logs for unusual redirect or server-side fetch patterns.
- Verify any remediation against project guidance, not assumptions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-601: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCloud metadata behavior lookup
The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-40083 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H2.86Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/labstack/echo/issues/2259CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.