Vulnerability

CVE-2022-34530

Medium· 5.3CVSS5.3EPSS1%

.rules3/5

An issue in the login and reset password functionality of Backdrop CMS v1.22.0 allows attackers to enumerate usernames via password reset requests and distinct responses returned based on usernames.

Threat signal

53/100

Elevated

Severity

medium

CVSS

5.3

EPSS

Active

CVSS

v3.1via NVDOpen in FIRST calculator →

5.3/ 10MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredNoneUnauthenticated — no credentials needed.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactLowSome data disclosure; attacker doesn't fully control what.
Integrity ImpactNoneNo integrity impact.
Availability ImpactNoneNo availability impact.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

0.62%

probability of exploitation in next 30 days

p48

higher than 48% of all CVEs

2-day trend↑ 0pp

Low exploitation likelihood — defer if no other signals fire.

Vendor VEX

No VEX statements published for CVE-2022-34530. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCDefer

No exploitation, limited impact or prevalence

exploitation: none
automatable: no
impact: partial
mission: support

Lifecycle

2022-08-01Published
2026-07-09Last modified1 source

References

https://github.com/Accenture/AARO-Bugs/blob/master/AARO-CVE-List.md