Security readout for executives and security teams
Plain-English summary
CVE-2021-28568 is a medium-severity Adobe Genuine Services issue involving insecure file permissions during installation. A local authenticated attacker could use the condition for privilege escalation affecting confidentiality and integrity. The provided sources do not indicate internet exposure or confirmed active exploitation.
Executive priority
Treat as a moderate endpoint risk. It is not known to be exploited from the provided sources, but affected systems should be cleaned up through normal patch and inventory processes, especially on administrator workstations.
Technical view
Adobe Genuine Services 7.1 and earlier are affected by CWE-379 insecure permissions during installation. CVSS 3.1 is 5.8 with local attack vector, low complexity, high privileges required, user interaction required, unchanged scope, high confidentiality and integrity impact, and no availability impact.
Likely exposure
Exposure is most likely on endpoints where Adobe Genuine Services 7.1 or earlier is installed or being installed. The bundle lists Adobe/GoCart metadata but describes Adobe Genuine Services; verify product naming against Adobe APSB21-27.
Exploitation context
The source bundle does not show CISA KEV listing or cited active exploitation. Exploitation requires local authenticated access, high privileges per CVSS, and user interaction, so this is primarily an endpoint hardening and software hygiene risk.
Researcher notes
Evidence is limited to the CVE record and Adobe advisory reference. The unusual wording says privilege escalation in the context of the current user; avoid overstating impact beyond the CVSS confidentiality and integrity ratings.
Mitigation direction
- Inventory endpoints for Adobe Genuine Services 7.1 or earlier.
- Review Adobe APSB21-27 for supported update or mitigation guidance.
- Upgrade, remove, or replace affected installations according to vendor guidance.
- Restrict local administrative access on managed endpoints.
- Prioritize systems used by privileged users or software deployment teams.
Validation and detection
- Confirm installed Adobe Genuine Services versions across endpoint inventory.
- Check whether affected installation paths have been remediated after update or removal.
- Review endpoint management logs for attempted installs or repairs of affected versions.
- Verify local privilege controls limit unnecessary high-privilege users.
- Document exceptions where Adobe guidance cannot be applied immediately.
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-379: 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-28568 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
- 5.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/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:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N0.65.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.8MediumVector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/integrity_service/apsb21-27.htmlCVE 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.
Creation of Temporary File in Directory with Insecure Permissions
Creation of Temporary File in Directory with Insecure Permissions represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.