Security readout for executives and security teams
Plain-English summary
CVE-2023-3515 is a low-severity open redirect in Gitea before 1.19.4. It could help an attacker send a user from a trusted Gitea site to an untrusted destination, mainly supporting phishing or limited information exposure scenarios. The source bundle does not show active exploitation.
Executive priority
Handle in normal patch cycles unless the affected Gitea instance is internet-facing, heavily trusted by developers, or tied to authentication flows. The primary business concern is user trust abuse, not server takeover based on the provided evidence.
Technical view
The issue is CWE-601 in go-gitea/gitea before 1.19.4. CVSS 3.0 is 3.0 with network attack vector, high complexity, low privileges required, user interaction required, scope changed, and low confidentiality impact. The cited fix is a Gitea commit referenced by the CVE sources.
Likely exposure
Exposure is most relevant to organizations running self-hosted Gitea instances below 1.19.4, especially internet-facing systems or systems users trust for authentication workflows. The source bundle does not identify specific CPEs or downstream package versions beyond Gitea before 1.19.4.
Exploitation context
CISA KEV status is false, and the provided sources do not cite active exploitation. Practical abuse would require user interaction and low privileges according to the CVSS vector. Treat this as a phishing-enablement and trust-boundary issue rather than a direct system compromise.
Researcher notes
Evidence is narrow: the CVE description states Gitea before 1.19.4, with references to a Huntr report, a Gitea fixing commit, and a Gentoo advisory. No CPEs, exploit confirmation, or detailed affected configuration data are included in the bundle.
Mitigation direction
- Upgrade Gitea to version 1.19.4 or a later vendor-supported release.
- For Gentoo systems, apply the relevant Gentoo security update guidance.
- Review vendor release notes and package advisories for backported fixed versions.
- Prioritize externally reachable Gitea instances and identity-adjacent deployments.
Validation and detection
- Inventory all Gitea instances and confirm installed versions.
- Verify affected instances are no longer below Gitea 1.19.4.
- Confirm packaged deployments include the vendor or distribution security fix.
- Review web logs for unusual redirect patterns without reproducing exploit behavior.
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 lookupCVE-2023-3515 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
- Low
- CVSS
- 3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N
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:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N1.31.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
3LowVector: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N
Source materials
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.
URL Redirection to Untrusted Site ('Open Redirect')
URL Redirection to Untrusted Site ('Open Redirect') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.