Critical severity · published Apr 14, 2022
CVE-2022-26507
A heap-based buffer overflow exists in XML Decompression DecodeTreeBlock in AT&T Labs Xmill 0.7
9.8
CVSS
2.4%
EPSS
No
On KEV
Description
A heap-based buffer overflow exists in XML Decompression DecodeTreeBlock in AT&T Labs Xmill 0.7. A crafted input file can lead to remote code execution. This is not the same as any of: CVE-2021-21810, CVE-2021-21811, CVE-2021-21812, CVE-2021-21815, CVE-2021-21825, CVE-2021-21826, CVE-2021-21828, CVE-2021-21829, or CVE-2021-21830. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EC
Ecostruxure Control Expert · Schneider-electric
before 15.1; 15.1 · source: NVD
EP
Ecostruxure Process Expert · Schneider-electric
before 2021 · source: NVD
RE
Remoteconnect · Schneider-electric
All versions, or not specified · source: NVD
XM
Xmill · Att
0.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-26507
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-26507
Not Applicable
https://Claroty.com
Mitigation
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-222-02
More from Xmill
9.8
CVE-2021-21811
A memory corruption vulnerability exists in the XML-parsing CreateLabelOrAttrib functionality of AT&T Labs’ Xmill 0.7
9.8
CVE-2021-21828
A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7
9.8
CVE-2021-21827
A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7
9.8
CVE-2021-21826
A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7
9.8
CVE-2021-21825
A heap-based buffer overflow vulnerability exists in the XML Decompression PlainTextUncompressor::UncompressItem functionality of AT&T Labs’ Xmill 0.7