CVE-2021-34587: In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash
39
Routine
MEDIUM 5.3REMOTEDOWNGRADEUPGRADEUPGRADE
CVE-2021-34587 is a medium-severity flaw (CVSS 5.3) affecting ibm rational lifecycle integration adapter for windchill, cc612 firmware, cc613 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
bender cc612 firmware UPGRADE
Affected: >= 5.11.0 and < 5.11.2 · >= 5.12.0 and < 5.12.5 · >= 5.13.0 and < 5.13.2 · >= 5.20.0 and < 5.20.2
Fixed in: 5.11.2, 5.12.5, 5.13.2, 5.20.2
Safe to downgrade to: a release before 5.11.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
bender cc613 firmware UPGRADE
Affected: >= 5.11.0 and < 5.11.2 · >= 5.12.0 and < 5.12.5 · >= 5.13.0 and < 5.13.2 · >= 5.20.0 and < 5.20.2
Fixed in: 5.11.2, 5.12.5, 5.13.2, 5.20.2
Safe to downgrade to: a release before 5.11.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
bender icc15xx firmware UPGRADE
Affected: >= 5.11.0 and < 5.11.2 · >= 5.12.0 and < 5.12.5 · >= 5.13.0 and < 5.13.2 · >= 5.20.0 and < 5.20.2
Fixed in: 5.11.2, 5.12.5, 5.13.2, 5.20.2
Safe to downgrade to: a release before 5.11.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
bender icc16xx firmware UPGRADE
Affected: >= 5.11.0 and < 5.11.2 · >= 5.12.0 and < 5.12.5 · >= 5.13.0 and < 5.13.2 · >= 5.20.0 and < 5.20.2
Fixed in: 5.11.2, 5.12.5, 5.13.2, 5.20.2
Safe to downgrade to: a release before 5.11.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official sourceNVD · CVE Program · Report a problem with this page Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-34587?
ibm rational lifecycle integration adapter for windchill: downgrade or apply the listed mitigation; cc612 firmware: upgrade to 5.11.2, 5.12.5, 5.13.2, 5.20.2; cc613 firmware: upgrade to 5.11.2, 5.12.5, 5.13.2, 5.20.2. Exact commands for each OS are on this page.
Is CVE-2021-34587 being exploited?
CVE-2021-34587 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-34587 affect?
CVE-2021-34587 affects ibm rational lifecycle integration adapter for windchill, cc612 firmware, cc613 firmware. Severity is medium (CVSS 5.3). In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.
How urgent is CVE-2021-34587?
Priority 39/100. Remotely exploitable, no login, no user action
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