CVE-2008-2242: Multiple buffer overflows in xdr functions in the server in CA BrightStor ARCServe Backup 11.0, 11.1, and 11.5

This week

HIGH 7.5DOWNGRADEDOWNGRADE

CVE-2008-2242 is a high-severity flaw (CVSS 7.5) affecting brightstor arcserve backup, brightstor arcserve backup. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflows in xdr functions in the server in CA BrightStor ARCServe Backup 11.0, 11.1, and 11.5 allow remote attackers to execute arbitrary code, as demonstrated by a stack-based buffer overflow via a long parameter to the xdr_rwsstring function.

Why this priority

High severity
EPSS top 3%: very likely to be exploited

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	14.7% (top 3%)
CISA exploited list	No
Weakness	CWE-119
Published	2008-05-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: broadcom · ca

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2008-05-21 13:24 UTCPublished CVE record published
2026-06-16 22:53 UTCUpdated Record last modified

broadcom brightstor arcserve backup DOWNGRADE

Affected: 11.1 · 11.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 11.1

1. Check installed version

apt-cache policy brightstor-arcserve-backup || rpm -q brightstor-arcserve-backup || brightstor-arcserve-backup --version

2. No fixed release: DOWNGRADE to a release before 11.1 (Debian / Ubuntu)

apt-cache madison brightstor-arcserve-backup sudo apt install brightstor-arcserve-backup=<VERSION_BEFORE_11.1> sudo apt-mark hold brightstor-arcserve-backup

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list brightstor-arcserve-backup sudo dnf downgrade brightstor-arcserve-backup-<VERSION_BEFORE_11.1> sudo dnf versionlock add brightstor-arcserve-backup

Downgrade risk

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.

ca brightstor arcserve backup DOWNGRADE

Affected: 11.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 11.0

1. Check installed version

apt-cache policy brightstor-arcserve-backup || rpm -q brightstor-arcserve-backup || brightstor-arcserve-backup --version

2. No fixed release: DOWNGRADE to a release before 11.0 (Debian / Ubuntu)

apt-cache madison brightstor-arcserve-backup sudo apt install brightstor-arcserve-backup=<VERSION_BEFORE_11.0> sudo apt-mark hold brightstor-arcserve-backup

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list brightstor-arcserve-backup sudo dnf downgrade brightstor-arcserve-backup-<VERSION_BEFORE_11.0> sudo dnf versionlock add brightstor-arcserve-backup

Downgrade risk

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.

Verify at the official source NVD · 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-2008-2242?

brightstor arcserve backup: downgrade or apply the listed mitigation; brightstor arcserve backup: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-2242 being exploited?

CVE-2008-2242 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-2008-2242 affect?

CVE-2008-2242 affects brightstor arcserve backup, brightstor arcserve backup. Severity is high (CVSS 7.5). Multiple buffer overflows in xdr functions in the server in CA BrightStor ARCServe Backup 11.0, 11.1, and 11.5 allow remote attackers to execute arbitrary code, as demonstrated by a stack-based buffer overflow via a long parameter to the xd

How urgent is CVE-2008-2242?

Priority 50/100. High severity; EPSS top 3%: very likely to be exploited

Related CVEs

CVE-2008-3175 HIGH 10.0 DOWNGRADE DOWNGRADE Integer underflow in rxRPC.dll in the LGServer service in the server in CA ARCserve Backup for Laptops and Des
CVE-2008-2241 HIGH 10.0 DOWNGRADE DOWNGRADE Directory traversal vulnerability in caloggerd in CA BrightStor ARCServe Backup 11.0, 11.1, and 11.5 allows re
CVE-2008-1979 MEDIUM 5.0 UPGRADE The Discovery Service (casdscvc) in CA ARCserve Backup 12.0.5454.0 and earlier allows remote attackers to caus
CVE-2007-5332 HIGH 10.0 DOWNGRADE DOWNGRADE Multiple unspecified vulnerabilities in (1) mediasvr and (2) caloggerd in CA BrightStor ARCServe BackUp v9.01
CVE-2007-5331 HIGH 10.0 DOWNGRADE DOWNGRADE Queue.dll for the message queuing service (LQserver.exe) in CA BrightStor ARCServe BackUp v9.01 through R11.5,

References

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