CVE-2021-25940

mediumpriority · track · 32EPSS 0.008 · 57 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.81% (57th) EPSS

CVSS 6 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

In ArangoDB, versions v3.7.6 through v3.8.3 are vulnerable to Insufficient Session Expiration. When a user’s password is changed by the administrator, the session isn’t invalidated, allowing a malicious user to still be logged in and perform arbitrary actions within the system.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6–8.8

v2.06mediumAV:N/AC:M/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 6.8 · impact 6.4

v3.18highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.1 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · vulnerabilitylab@mend.ioexploitability 2.8 · impact 5.9

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-613USprimary

affected products (4)

Products and version ranges known to be affected.

arangodb arangodb≤ unspecified ≤v3.8.3enisa_euvdEU
arangodb arangodbv3.7.6 → unspecifiedenisa_euvdEU
arangodb arangodb3.7.6 → 3.8.3nvdUScpe:2.3:a:arangodb:arangodb:*:*:*:*:*:*:*:*
Bitnami arangodb3.7.6 → 3.8.4osvUSpkg:bitnami/arangodb

advisories (1)

Vendor and ecosystem advisories describing this.

BIT-arangodb-2021-25940ArangoDB - Insufficient Session Expiration after Password Change2025-03-10vendor · osvUS
In ArangoDB, versions v3.7.6 through v3.8.3 are vulnerable to Insufficient Session Expiration. When a user’s password is changed by the administrator, the session isn’t invalidated, allowing a malicious user to still be logged in and perform arbitrary actions within the system.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2021-11-16modified 2026-06-17

related (733)

Related entries.

ID	severity	EPSS	exploitable	published
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In Anuko Time Tracker v1.19.23.5311, the password reset link emailed to the user doesn't expire once used, allowing an attacker to use the same link to takeover the account.
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An insufficient session expiration vulnerability [CWE- 613] in FortiClientEMS versions 6.4.2 and below, 6.2.8 and below may allow an attacker to reuse the unexpired admin user sess…
CVE-2020-29667US	critical9.8	3.23% (88th)	Exploit	2020-12-10
In Lan ATMService M3 ATM Monitoring System 6.1.0, a remote attacker able to use a default cookie value, such as PHPSESSID=LANIT-IMANAGER, can achieve control over the system becaus…
CVE-2017-6529US	high8.8	2.90% (87th)	Exploit	2017-03-09
An issue was discovered in dnaTools dnaLIMS 4-2015s13. dnaLIMS is vulnerable to session hijacking by guessing the UID parameter.

+728 more

references (7)

External citations — patches, advisories, analysis.

scry

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