Security readout for executives and security teams
Plain-English summary
CVE-2024-22780 is a cross-site scripting issue reported in CA17 TeamsACS v1.0.1. An attacker could craft input for the errmsg parameter so script runs in a user’s browser. Business impact is mainly account compromise risk, phishing, and data exposure within the affected application context.
Executive priority
Treat as a moderate-priority web application issue. It is not reported as actively exploited in the provided sources, but public-facing deployments should be reviewed promptly because exploitation could support phishing, session misuse, or unauthorized actions in user browsers.
Technical view
The record maps to CWE-79 and CVSS 3.1 score 6.1. The vector indicates network reachability, low attack complexity, no privileges required, required user interaction, changed scope, low confidentiality impact, low integrity impact, and no availability impact. Structured affected metadata is incomplete, but the description identifies CA17 TeamsACS v1.0.1.
Likely exposure
Likely limited to organizations running CA17 TeamsACS v1.0.1 or derived deployments where errmsg is rendered into pages. The CVE affected-product fields are listed as n/a, so exposure should be confirmed against local inventory and the referenced project/advisory.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. CVSS indicates exploitation requires user interaction, such as a victim reaching attacker-controlled content or a crafted application URL. No exploit steps are needed to assess exposure.
Researcher notes
Evidence is sparse. The CVE description names CA17 TeamsACS v1.0.1 and errmsg, while structured affected fields are n/a. The vulnerability class and CVSS vector are clear, but patch status, vulnerable routes, and maintained-version guidance are not established in the source bundle.
Mitigation direction
- Check CA17 TeamsACS and the advisory page for patched releases or vendor guidance.
- Upgrade or patch if a fixed TeamsACS version is available from the project.
- Restrict public access to affected TeamsACS deployments where business operations allow.
- Ensure errmsg output is safely encoded before rendering in browser pages.
- Monitor application logs for unusual or script-like errmsg values.
Validation and detection
- Confirm whether TeamsACS v1.0.1 is deployed in any environment.
- Identify pages or handlers that accept and render the errmsg parameter.
- Review source or templates for output encoding around errmsg rendering.
- Use only benign marker testing in an authorized test environment.
- Check browser-side security controls and logs for suspicious reflected input.
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-79: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-22780 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
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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.
SSVC decision data
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:L/I:L/A:N2.82.7CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/CA17/TeamsACSCVE reference, mitre
- https://fuo.fi/CVE-2024-22780/CVE reference, mitre
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.