synced 3 MIN AGO
01 Record

CVE-2022-30065

A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.

HighPUBLISHEDCNA: mitre
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

02 Description

A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
1.25% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 69.2% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-07-07.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-05-18 00:00Z4 YR AGO
Last updated
2026-07-07 18:25Z3 MO AGO
Reserved
2022-05-02
Assigning CNA
mitre
Record state
PUBLISHED
Severity
High (CVSS 7.8)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
Data version
5.2
Document digest
905a7da6faada732b78d110d9a7291253810a2359ccb5e1f48dd1ed90beb9c36

05 Affected products

VendorProductVersionsPlatforms
busyboxbusyboxNot specified—
redhatenterprise_linuxNot specified—
siemensscalance_sc622-2cNot specified—
siemensscalance_sc622-2c_firmwareNot specified—
siemensscalance_sc626-2cNot specified—
siemensscalance_sc626-2c_firmwareNot specified—
siemensscalance_sc632-2cNot specified—
siemensscalance_sc632-2c_firmwareNot specified—
siemensscalance_sc636-2cNot specified—
siemensscalance_sc636-2c_firmwareNot specified—
siemensscalance_sc642-2cNot specified—
siemensscalance_sc642-2c_firmwareNot specified—
siemensscalance_sc646-2cNot specified—
siemensscalance_sc646-2c_firmwareNot specified—

06 References

07 Fixed in

Debian 12

  • busybox
    No fix yet

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • busybox
    Fixed in 1:1.36.1-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • busybox
    Fixed in 1:1.36.1-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.