Security readout for executives and security teams
Plain-English summary
Akaunting 2.1.12 and earlier can be forced into a denial-of-service condition through malformed locale input in a normal HTTP POST request. The issue affects availability, not data confidentiality or integrity, and was fixed in Akaunting 2.1.13.
Executive priority
Treat this as a moderate availability risk. Prioritize remediation for internet-facing or business-critical Akaunting systems, but it is less urgent than flaws enabling data theft, privilege escalation, or confirmed active exploitation.
Technical view
The CVE describes improper handling of a user-controlled locale value, mapped to CWE-248, causing a denial-of-service condition. CVSS 3.1 is 6.5: network reachable, low complexity, low privileges required, no user interaction, high availability impact, and no confidentiality or integrity impact.
Likely exposure
Exposure is most likely in Akaunting deployments at version 2.1.12 or earlier, especially internet-facing instances where authenticated users can submit affected POST requests. The bundle does not identify specific hosted services, plugins, or configurations beyond Akaunting itself.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Rapid7 publicly disclosed multiple open-source web application vulnerabilities, but the provided sources do not establish exploitation in the wild for this CVE.
Researcher notes
Validation should focus on version confirmation, reachable authenticated POST surfaces, and evidence of locale-handling exceptions. Do not assume unauthenticated exposure: the CVSS vector indicates low privileges are required. Sources identify the fix version but provide limited operational detail.
Mitigation direction
- Upgrade Akaunting to version 2.1.13 or later.
- Check Akaunting vendor guidance for any additional supported remediation.
- Restrict access to Akaunting administration and authenticated workflows where feasible.
- Monitor application errors and availability metrics for abnormal locale-related failures.
Validation and detection
- Inventory all Akaunting instances and confirm their exact version.
- Verify no production instance remains on 2.1.12 or earlier.
- Review logs for repeated locale-related exceptions or availability errors.
- Confirm the upgrade in staging before production rollout.
- Avoid malformed-input testing in production unless formally approved.
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-248: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2021-36802 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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:L/UI:N/S:U/C:N/I:N/A:H2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.rapid7.com/blog/post/2021/07/27/multiple-open-source-web-app-vulnerabilities-fixed/CVE 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.
Uncaught Exception
Uncaught Exception represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
