No exploitation reported

CVE-2021-40708

No exploitation reported by the sources we read.

Published2021-09-29
WeaknessCWE-379

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Adobe Genuine Service versions 7.3 (and earlier) are affected by a privilege escalation vulnerability in the AGSService installer. An authenticated attacker could leverage this vulnerability to achieve read / write privileges to execute arbitrary code. User interaction is required to abuse this vulnerability.

Timeline

dates in UTC

2021-09-2916:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-40708?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-40708?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Adobe genuine serviceversion to verify

Branch	Affected	Fixed in	Source
7.3	≤ 7.3	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

helpx.adobe.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.17.3read 2026-10-23
NVDCVSS 2.06read 2026-10-23
CNAweakness (CWE)CWE-379read 2026-10-23
FIRST EPSSEPSS score1.7 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Published: 2021-09-29
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2021-40708?

Is CVE-2021-40708 actively exploited?

Active exploitation of CVE-2021-40708 has not been confirmed. Its EPSS score was 1.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-40708?

CVE-2021-40708 has a CVSS v3 base score of 7.3 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

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