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Fencer Vulns
critical 9.8

CVE-2021-22763 json

A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists in PowerLogic PM55xx, PowerLogic PM8ECC, PowerLogic…

published 2021-06-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9898

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists in PowerLogic PM55xx, PowerLogic PM8ECC, PowerLogic EGX100 and PowerLogic EGX300 (see security notification for version infromation) that could allow an attacker administrator level access to a device.

Patch / fix

  • schneider-electric powerlogic_pm5560_firmware 2.7.8
  • schneider-electric powerlogic_pm5561_firmware 10.7.3
  • schneider-electric powerlogic_pm5563_firmware 2.7.8

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-331-01 updated cvss 8.1

Schneider Electric PowerLogic PM55xx and PowerLogic PM8ECC

  • Schneider Electric PowerLogic PM8ECC
    affected: vendor fix
  • Schneider Electric PowerLogic PM5560 <2.7.8 Schneider Electric PowerLogic PM5561 <10.7.3
    affected: vendor fix se.com
  • Schneider Electric PowerLogic PM5562 <=2.5.4, <4.3.5
    affected: vendor fix se.com
  • Schneider Electric PowerLogic PM5563 <2.7.8
    affected: vendor fix se.com
  • Schneider Electric PowerLogic 5563 2.8.3 Schneider Electric PowerLogic PM5560 2.8.3 Schneider Electric PowerLogic PM5561 10.7.3 Schneider Electric PowerLogic PM5562 4.3.5
    fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
5 mo ago

Exploit prediction

1.90% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • n/a PowerLogic PM55xx, PowerLogic PM8ECC, PowerLogic EGX100 and PowerLogic EGX300 (see security notification for version infromation)

Classification

Weakness
  • CWE-640 Weak Password Recovery Mechanism for Forgotten Password

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.